Home / 23,185,902.80-34,778,854.20-19,434,760.40

Finding the Fourth Proportional to 23,185,902.80, 34,778,854.20 and 19,434,760.40

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Solution

The fourth proportional to 23,185,902.80, 34,778,854.20 and 19,434,760.40 is: 29,152,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185,902.80 : 34,778,854.20 = 19,434,760.40 : x
  2. Step 2: Convert to fraction form
    23,185,902.80/34,778,854.20 = 19,434,760.40/x
  3. Step 3: Cross multiply
    23,185,902.80x = 34,778,854.20 × 19,434,760.40
  4. Step 4: Simplify right side
    23,185,902.80x = 675,918,698,363,533.62
  5. Step 5: Solve for x
    x = 675,918,698,363,533.62/23,185,902.80
  6. Step 6: Final answer
    x = 29,152,140.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.