Home / 7,771,124.40-11,656,686.60-7,435,201.20

Finding the Fourth Proportional to 7,771,124.40, 11,656,686.60 and 7,435,201.20

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Solution

The fourth proportional to 7,771,124.40, 11,656,686.60 and 7,435,201.20 is: 11,152,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,124.40 : 11,656,686.60 = 7,435,201.20 : x
  2. Step 2: Convert to fraction form
    7,771,124.40/11,656,686.60 = 7,435,201.20/x
  3. Step 3: Cross multiply
    7,771,124.40x = 11,656,686.60 × 7,435,201.20
  4. Step 4: Simplify right side
    7,771,124.40x = 86,669,810,196,343.92
  5. Step 5: Solve for x
    x = 86,669,810,196,343.92/7,771,124.40
  6. Step 6: Final answer
    x = 11,152,801.80

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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.