Home / 21,225,343.76-29,291,073.58-12,058,489.52

Finding the Fourth Proportional to 21,225,343.76, 29,291,073.58 and 12,058,489.52

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Solution

The fourth proportional to 21,225,343.76, 29,291,073.58 and 12,058,489.52 is: 16,640,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,343.76 : 29,291,073.58 = 12,058,489.52 : x
  2. Step 2: Convert to fraction form
    21,225,343.76/29,291,073.58 = 12,058,489.52/x
  3. Step 3: Cross multiply
    21,225,343.76x = 29,291,073.58 × 12,058,489.52
  4. Step 4: Simplify right side
    21,225,343.76x = 353,206,103,793,978.88
  5. Step 5: Solve for x
    x = 353,206,103,793,978.88/21,225,343.76
  6. Step 6: Final answer
    x = 16,640,771.89

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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.