Home / 13,572,767.88-18,730,875.78-7,990,007.04

Finding the Fourth Proportional to 13,572,767.88, 18,730,875.78 and 7,990,007.04

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Solution

The fourth proportional to 13,572,767.88, 18,730,875.78 and 7,990,007.04 is: 11,026,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,767.88 : 18,730,875.78 = 7,990,007.04 : x
  2. Step 2: Convert to fraction form
    13,572,767.88/18,730,875.78 = 7,990,007.04/x
  3. Step 3: Cross multiply
    13,572,767.88x = 18,730,875.78 × 7,990,007.04
  4. Step 4: Simplify right side
    13,572,767.88x = 149,659,829,347,565.50
  5. Step 5: Solve for x
    x = 149,659,829,347,565.50/13,572,767.88
  6. Step 6: Final answer
    x = 11,026,478.22

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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.