Home / 19,991,345.52-29,964,349-9,186,319.62

Finding the Fourth Proportional to 19,991,345.52, 29,964,349 and 9,186,319.62

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Solution

The fourth proportional to 19,991,345.52, 29,964,349 and 9,186,319.62 is: 13,769,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,345.52 : 29,964,349 = 9,186,319.62 : x
  2. Step 2: Convert to fraction form
    19,991,345.52/29,964,349 = 9,186,319.62/x
  3. Step 3: Cross multiply
    19,991,345.52x = 29,964,349 × 9,186,319.62
  4. Step 4: Simplify right side
    19,991,345.52x = 275,262,087,119,227.34
  5. Step 5: Solve for x
    x = 275,262,087,119,227.34/19,991,345.52
  6. Step 6: Final answer
    x = 13,769,062.56

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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.