Home / 13,231,680.96-18,261,694.56-8,078,030.16

Finding the Fourth Proportional to 13,231,680.96, 18,261,694.56 and 8,078,030.16

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Solution

The fourth proportional to 13,231,680.96, 18,261,694.56 and 8,078,030.16 is: 11,148,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,680.96 : 18,261,694.56 = 8,078,030.16 : x
  2. Step 2: Convert to fraction form
    13,231,680.96/18,261,694.56 = 8,078,030.16/x
  3. Step 3: Cross multiply
    13,231,680.96x = 18,261,694.56 × 8,078,030.16
  4. Step 4: Simplify right side
    13,231,680.96x = 147,518,519,428,387.91
  5. Step 5: Solve for x
    x = 147,518,519,428,387.91/13,231,680.96
  6. Step 6: Final answer
    x = 11,148,887.27

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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.