Home / 9,129,614.40-13,694,421.60-5,341,147.20

Finding the Fourth Proportional to 9,129,614.40, 13,694,421.60 and 5,341,147.20

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Solution

The fourth proportional to 9,129,614.40, 13,694,421.60 and 5,341,147.20 is: 8,011,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,614.40 : 13,694,421.60 = 5,341,147.20 : x
  2. Step 2: Convert to fraction form
    9,129,614.40/13,694,421.60 = 5,341,147.20/x
  3. Step 3: Cross multiply
    9,129,614.40x = 13,694,421.60 × 5,341,147.20
  4. Step 4: Simplify right side
    9,129,614.40x = 73,143,921,584,459.52
  5. Step 5: Solve for x
    x = 73,143,921,584,459.52/9,129,614.40
  6. Step 6: Final answer
    x = 8,011,720.80

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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.