Home / 31,503,833.20-47,255,749.80-13,587,929.20

Finding the Fourth Proportional to 31,503,833.20, 47,255,749.80 and 13,587,929.20

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Solution

The fourth proportional to 31,503,833.20, 47,255,749.80 and 13,587,929.20 is: 20,381,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,833.20 : 47,255,749.80 = 13,587,929.20 : x
  2. Step 2: Convert to fraction form
    31,503,833.20/47,255,749.80 = 13,587,929.20/x
  3. Step 3: Cross multiply
    31,503,833.20x = 47,255,749.80 × 13,587,929.20
  4. Step 4: Simplify right side
    31,503,833.20x = 642,107,782,575,314.12
  5. Step 5: Solve for x
    x = 642,107,782,575,314.12/31,503,833.20
  6. Step 6: Final answer
    x = 20,381,893.80

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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.