Home / 31,927,506.90-47,897,481.15-12,755,001.30

Finding the Fourth Proportional to 31,927,506.90, 47,897,481.15 and 12,755,001.30

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Solution

The fourth proportional to 31,927,506.90, 47,897,481.15 and 12,755,001.30 is: 19,134,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927,506.90 : 47,897,481.15 = 12,755,001.30 : x
  2. Step 2: Convert to fraction form
    31,927,506.90/47,897,481.15 = 12,755,001.30/x
  3. Step 3: Cross multiply
    31,927,506.90x = 47,897,481.15 × 12,755,001.30
  4. Step 4: Simplify right side
    31,927,506.90x = 610,932,434,334,975.50
  5. Step 5: Solve for x
    x = 610,932,434,334,975.50/31,927,506.90
  6. Step 6: Final answer
    x = 19,134,987.15

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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.