Home / 31,887,010.20-47,842,325.10-12,731,514.60

Finding the Fourth Proportional to 31,887,010.20, 47,842,325.10 and 12,731,514.60

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Solution

The fourth proportional to 31,887,010.20, 47,842,325.10 and 12,731,514.60 is: 19,101,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887,010.20 : 47,842,325.10 = 12,731,514.60 : x
  2. Step 2: Convert to fraction form
    31,887,010.20/47,842,325.10 = 12,731,514.60/x
  3. Step 3: Cross multiply
    31,887,010.20x = 47,842,325.10 × 12,731,514.60
  4. Step 4: Simplify right side
    31,887,010.20x = 609,105,260,508,596.50
  5. Step 5: Solve for x
    x = 609,105,260,508,596.50/31,887,010.20
  6. Step 6: Final answer
    x = 19,101,987.19

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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.