Home / 9,888,380.40-14,832,570.60-8,187,769.20

Finding the Fourth Proportional to 9,888,380.40, 14,832,570.60 and 8,187,769.20

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Solution

The fourth proportional to 9,888,380.40, 14,832,570.60 and 8,187,769.20 is: 12,281,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888,380.40 : 14,832,570.60 = 8,187,769.20 : x
  2. Step 2: Convert to fraction form
    9,888,380.40/14,832,570.60 = 8,187,769.20/x
  3. Step 3: Cross multiply
    9,888,380.40x = 14,832,570.60 × 8,187,769.20
  4. Step 4: Simplify right side
    9,888,380.40x = 121,445,664,715,505.52
  5. Step 5: Solve for x
    x = 121,445,664,715,505.52/9,888,380.40
  6. Step 6: Final answer
    x = 12,281,653.80

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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.