Home / 21,353,732.70-32,081,698.44-13,692,387.90

Finding the Fourth Proportional to 21,353,732.70, 32,081,698.44 and 13,692,387.90

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Solution

The fourth proportional to 21,353,732.70, 32,081,698.44 and 13,692,387.90 is: 20,571,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,732.70 : 32,081,698.44 = 13,692,387.90 : x
  2. Step 2: Convert to fraction form
    21,353,732.70/32,081,698.44 = 13,692,387.90/x
  3. Step 3: Cross multiply
    21,353,732.70x = 32,081,698.44 × 13,692,387.90
  4. Step 4: Simplify right side
    21,353,732.70x = 439,275,059,531,304.94
  5. Step 5: Solve for x
    x = 439,275,059,531,304.94/21,353,732.70
  6. Step 6: Final answer
    x = 20,571,347.68

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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.