Home / 10,779,059.60-16,168,589.40-9,330,390.80

Finding the Fourth Proportional to 10,779,059.60, 16,168,589.40 and 9,330,390.80

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Solution

The fourth proportional to 10,779,059.60, 16,168,589.40 and 9,330,390.80 is: 13,995,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,059.60 : 16,168,589.40 = 9,330,390.80 : x
  2. Step 2: Convert to fraction form
    10,779,059.60/16,168,589.40 = 9,330,390.80/x
  3. Step 3: Cross multiply
    10,779,059.60x = 16,168,589.40 × 9,330,390.80
  4. Step 4: Simplify right side
    10,779,059.60x = 150,859,257,786,737.53
  5. Step 5: Solve for x
    x = 150,859,257,786,737.53/10,779,059.60
  6. Step 6: Final answer
    x = 13,995,586.20

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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.