Home / 8,694,428.80-13,031,145.60-4,432,403.20

Finding the Fourth Proportional to 8,694,428.80, 13,031,145.60 and 4,432,403.20

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Solution

The fourth proportional to 8,694,428.80, 13,031,145.60 and 4,432,403.20 is: 6,643,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694,428.80 : 13,031,145.60 = 4,432,403.20 : x
  2. Step 2: Convert to fraction form
    8,694,428.80/13,031,145.60 = 4,432,403.20/x
  3. Step 3: Cross multiply
    8,694,428.80x = 13,031,145.60 × 4,432,403.20
  4. Step 4: Simplify right side
    8,694,428.80x = 57,759,291,457,105.92
  5. Step 5: Solve for x
    x = 57,759,291,457,105.92/8,694,428.80
  6. Step 6: Final answer
    x = 6,643,253.14

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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.