Home / 38,711,437.65-53,419,751.10-21,304,455.84

Finding the Fourth Proportional to 38,711,437.65, 53,419,751.10 and 21,304,455.84

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Solution

The fourth proportional to 38,711,437.65, 53,419,751.10 and 21,304,455.84 is: 29,399,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711,437.65 : 53,419,751.10 = 21,304,455.84 : x
  2. Step 2: Convert to fraction form
    38,711,437.65/53,419,751.10 = 21,304,455.84/x
  3. Step 3: Cross multiply
    38,711,437.65x = 53,419,751.10 × 21,304,455.84
  4. Step 4: Simplify right side
    38,711,437.65x = 1,138,078,728,293,741.50
  5. Step 5: Solve for x
    x = 1,138,078,728,293,741.50/38,711,437.65
  6. Step 6: Final answer
    x = 29,399,030.30

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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.