Home / 21,762,235.50-30,031,885.02-11,972,470.20

Finding the Fourth Proportional to 21,762,235.50, 30,031,885.02 and 11,972,470.20

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Solution

The fourth proportional to 21,762,235.50, 30,031,885.02 and 11,972,470.20 is: 16,522,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,235.50 : 30,031,885.02 = 11,972,470.20 : x
  2. Step 2: Convert to fraction form
    21,762,235.50/30,031,885.02 = 11,972,470.20/x
  3. Step 3: Cross multiply
    21,762,235.50x = 30,031,885.02 × 11,972,470.20
  4. Step 4: Simplify right side
    21,762,235.50x = 359,555,848,451,776.38
  5. Step 5: Solve for x
    x = 359,555,848,451,776.38/21,762,235.50
  6. Step 6: Final answer
    x = 16,522,008.89

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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.