Home / 53,313,617.25-79,970,425.89-12,924,101.25

Finding the Fourth Proportional to 53,313,617.25, 79,970,425.89 and 12,924,101.25

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Solution

The fourth proportional to 53,313,617.25, 79,970,425.89 and 12,924,101.25 is: 19,386,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313,617.25 : 79,970,425.89 = 12,924,101.25 : x
  2. Step 2: Convert to fraction form
    53,313,617.25/79,970,425.89 = 12,924,101.25/x
  3. Step 3: Cross multiply
    53,313,617.25x = 79,970,425.89 × 12,924,101.25
  4. Step 4: Simplify right side
    53,313,617.25x = 1,033,545,881,207,981.38
  5. Step 5: Solve for x
    x = 1,033,545,881,207,981.38/53,313,617.25
  6. Step 6: Final answer
    x = 19,386,151.88

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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.