Home / 17,721,117.41-26,585,580.15-5,425,173.74

Finding the Fourth Proportional to 17,721,117.41, 26,585,580.15 and 5,425,173.74

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Solution

The fourth proportional to 17,721,117.41, 26,585,580.15 and 5,425,173.74 is: 8,138,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,117.41 : 26,585,580.15 = 5,425,173.74 : x
  2. Step 2: Convert to fraction form
    17,721,117.41/26,585,580.15 = 5,425,173.74/x
  3. Step 3: Cross multiply
    17,721,117.41x = 26,585,580.15 × 5,425,173.74
  4. Step 4: Simplify right side
    17,721,117.41x = 144,231,391,159,517.38
  5. Step 5: Solve for x
    x = 144,231,391,159,517.38/17,721,117.41
  6. Step 6: Final answer
    x = 8,138,955.79

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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.