Home / 37,936,580.78-52,346,909.25-21,189,256.70

Finding the Fourth Proportional to 37,936,580.78, 52,346,909.25 and 21,189,256.70

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Solution

The fourth proportional to 37,936,580.78, 52,346,909.25 and 21,189,256.70 is: 29,238,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,936,580.78 : 52,346,909.25 = 21,189,256.70 : x
  2. Step 2: Convert to fraction form
    37,936,580.78/52,346,909.25 = 21,189,256.70/x
  3. Step 3: Cross multiply
    37,936,580.78x = 52,346,909.25 × 21,189,256.70
  4. Step 4: Simplify right side
    37,936,580.78x = 1,109,192,097,549,854.38
  5. Step 5: Solve for x
    x = 1,109,192,097,549,854.38/37,936,580.78
  6. Step 6: Final answer
    x = 29,238,061.91

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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.