Home / 14,272,901.20-21,409,351.80-13,122,744.40

Finding the Fourth Proportional to 14,272,901.20, 21,409,351.80 and 13,122,744.40

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Solution

The fourth proportional to 14,272,901.20, 21,409,351.80 and 13,122,744.40 is: 19,684,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,901.20 : 21,409,351.80 = 13,122,744.40 : x
  2. Step 2: Convert to fraction form
    14,272,901.20/21,409,351.80 = 13,122,744.40/x
  3. Step 3: Cross multiply
    14,272,901.20x = 21,409,351.80 × 13,122,744.40
  4. Step 4: Simplify right side
    14,272,901.20x = 280,949,451,441,079.94
  5. Step 5: Solve for x
    x = 280,949,451,441,079.94/14,272,901.20
  6. Step 6: Final answer
    x = 19,684,116.60

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Similar ratio
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1.5x scale

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.