Home / 9,513,118.90-13,128,037.50-5,162,094.55

Finding the Fourth Proportional to 9,513,118.90, 13,128,037.50 and 5,162,094.55

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Solution

The fourth proportional to 9,513,118.90, 13,128,037.50 and 5,162,094.55 is: 7,123,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,118.90 : 13,128,037.50 = 5,162,094.55 : x
  2. Step 2: Convert to fraction form
    9,513,118.90/13,128,037.50 = 5,162,094.55/x
  3. Step 3: Cross multiply
    9,513,118.90x = 13,128,037.50 × 5,162,094.55
  4. Step 4: Simplify right side
    9,513,118.90x = 67,768,170,830,945.62
  5. Step 5: Solve for x
    x = 67,768,170,830,945.62/9,513,118.90
  6. Step 6: Final answer
    x = 7,123,654.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.