Home / 13,438,402.60-20,157,603.90-9,659,266.60

Finding the Fourth Proportional to 13,438,402.60, 20,157,603.90 and 9,659,266.60

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Solution

The fourth proportional to 13,438,402.60, 20,157,603.90 and 9,659,266.60 is: 14,488,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,402.60 : 20,157,603.90 = 9,659,266.60 : x
  2. Step 2: Convert to fraction form
    13,438,402.60/20,157,603.90 = 9,659,266.60/x
  3. Step 3: Cross multiply
    13,438,402.60x = 20,157,603.90 × 9,659,266.60
  4. Step 4: Simplify right side
    13,438,402.60x = 194,707,670,087,299.72
  5. Step 5: Solve for x
    x = 194,707,670,087,299.72/13,438,402.60
  6. Step 6: Final answer
    x = 14,488,899.90

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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.