Home / 27,165,729.78-37,487,971.74-15,407,154.72

Finding the Fourth Proportional to 27,165,729.78, 37,487,971.74 and 15,407,154.72

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Solution

The fourth proportional to 27,165,729.78, 37,487,971.74 and 15,407,154.72 is: 21,261,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165,729.78 : 37,487,971.74 = 15,407,154.72 : x
  2. Step 2: Convert to fraction form
    27,165,729.78/37,487,971.74 = 15,407,154.72/x
  3. Step 3: Cross multiply
    27,165,729.78x = 37,487,971.74 × 15,407,154.72
  4. Step 4: Simplify right side
    27,165,729.78x = 577,582,980,737,167.62
  5. Step 5: Solve for x
    x = 577,582,980,737,167.62/27,165,729.78
  6. Step 6: Final answer
    x = 21,261,456.45

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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.