Home / 9,179,538.60-13,769,307.90-8,187,515.40

Finding the Fourth Proportional to 9,179,538.60, 13,769,307.90 and 8,187,515.40

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Solution

The fourth proportional to 9,179,538.60, 13,769,307.90 and 8,187,515.40 is: 12,281,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,538.60 : 13,769,307.90 = 8,187,515.40 : x
  2. Step 2: Convert to fraction form
    9,179,538.60/13,769,307.90 = 8,187,515.40/x
  3. Step 3: Cross multiply
    9,179,538.60x = 13,769,307.90 × 8,187,515.40
  4. Step 4: Simplify right side
    9,179,538.60x = 112,736,420,478,591.67
  5. Step 5: Solve for x
    x = 112,736,420,478,591.67/9,179,538.60
  6. Step 6: Final answer
    x = 12,281,273.10

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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.