Home / 27,902,995.20-38,501,654.40-15,679,814.40

Finding the Fourth Proportional to 27,902,995.20, 38,501,654.40 and 15,679,814.40

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Solution

The fourth proportional to 27,902,995.20, 38,501,654.40 and 15,679,814.40 is: 21,635,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902,995.20 : 38,501,654.40 = 15,679,814.40 : x
  2. Step 2: Convert to fraction form
    27,902,995.20/38,501,654.40 = 15,679,814.40/x
  3. Step 3: Cross multiply
    27,902,995.20x = 38,501,654.40 × 15,679,814.40
  4. Step 4: Simplify right side
    27,902,995.20x = 603,698,795,084,943.38
  5. Step 5: Solve for x
    x = 603,698,795,084,943.38/27,902,995.20
  6. Step 6: Final answer
    x = 21,635,626.96

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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.