Home / 8,688,021.40-13,032,032.10-5,482,754.20

Finding the Fourth Proportional to 8,688,021.40, 13,032,032.10 and 5,482,754.20

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Solution

The fourth proportional to 8,688,021.40, 13,032,032.10 and 5,482,754.20 is: 8,224,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,021.40 : 13,032,032.10 = 5,482,754.20 : x
  2. Step 2: Convert to fraction form
    8,688,021.40/13,032,032.10 = 5,482,754.20/x
  3. Step 3: Cross multiply
    8,688,021.40x = 13,032,032.10 × 5,482,754.20
  4. Step 4: Simplify right side
    8,688,021.40x = 71,451,428,730,809.83
  5. Step 5: Solve for x
    x = 71,451,428,730,809.83/8,688,021.40
  6. Step 6: Final answer
    x = 8,224,131.30

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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.