Home / 14,129,614.80-21,194,422.20-5,153,000.40

Finding the Fourth Proportional to 14,129,614.80, 21,194,422.20 and 5,153,000.40

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Solution

The fourth proportional to 14,129,614.80, 21,194,422.20 and 5,153,000.40 is: 7,729,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,614.80 : 21,194,422.20 = 5,153,000.40 : x
  2. Step 2: Convert to fraction form
    14,129,614.80/21,194,422.20 = 5,153,000.40/x
  3. Step 3: Cross multiply
    14,129,614.80x = 21,194,422.20 × 5,153,000.40
  4. Step 4: Simplify right side
    14,129,614.80x = 109,214,866,074,368.89
  5. Step 5: Solve for x
    x = 109,214,866,074,368.89/14,129,614.80
  6. Step 6: Final answer
    x = 7,729,500.60

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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.