Home / 14,100,347.20-21,126,901.20-12,069,061.60

Finding the Fourth Proportional to 14,100,347.20, 21,126,901.20 and 12,069,061.60

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Solution

The fourth proportional to 14,100,347.20, 21,126,901.20 and 12,069,061.60 is: 18,083,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100,347.20 : 21,126,901.20 = 12,069,061.60 : x
  2. Step 2: Convert to fraction form
    14,100,347.20/21,126,901.20 = 12,069,061.60/x
  3. Step 3: Cross multiply
    14,100,347.20x = 21,126,901.20 × 12,069,061.60
  4. Step 4: Simplify right side
    14,100,347.20x = 254,981,871,999,913.91
  5. Step 5: Solve for x
    x = 254,981,871,999,913.91/14,100,347.20
  6. Step 6: Final answer
    x = 18,083,375.42

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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.