Home / 8,720,565.30-13,085,513.55-3,672,386.10

Finding the Fourth Proportional to 8,720,565.30, 13,085,513.55 and 3,672,386.10

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Solution

The fourth proportional to 8,720,565.30, 13,085,513.55 and 3,672,386.10 is: 5,510,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,565.30 : 13,085,513.55 = 3,672,386.10 : x
  2. Step 2: Convert to fraction form
    8,720,565.30/13,085,513.55 = 3,672,386.10/x
  3. Step 3: Cross multiply
    8,720,565.30x = 13,085,513.55 × 3,672,386.10
  4. Step 4: Simplify right side
    8,720,565.30x = 48,055,058,072,381.66
  5. Step 5: Solve for x
    x = 48,055,058,072,381.66/8,720,565.30
  6. Step 6: Final answer
    x = 5,510,543.92

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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.