Home / 8,732,565.20-13,086,406.20-6,440,200.40

Finding the Fourth Proportional to 8,732,565.20, 13,086,406.20 and 6,440,200.40

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Solution

The fourth proportional to 8,732,565.20, 13,086,406.20 and 6,440,200.40 is: 9,651,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732,565.20 : 13,086,406.20 = 6,440,200.40 : x
  2. Step 2: Convert to fraction form
    8,732,565.20/13,086,406.20 = 6,440,200.40/x
  3. Step 3: Cross multiply
    8,732,565.20x = 13,086,406.20 × 6,440,200.40
  4. Step 4: Simplify right side
    8,732,565.20x = 84,279,078,443,802.48
  5. Step 5: Solve for x
    x = 84,279,078,443,802.48/8,732,565.20
  6. Step 6: Final answer
    x = 9,651,125.01

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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.