Home / 12,474,805.20-18,704,115.90-5,284,386.60

Finding the Fourth Proportional to 12,474,805.20, 18,704,115.90 and 5,284,386.60

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Solution

The fourth proportional to 12,474,805.20, 18,704,115.90 and 5,284,386.60 is: 7,923,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,805.20 : 18,704,115.90 = 5,284,386.60 : x
  2. Step 2: Convert to fraction form
    12,474,805.20/18,704,115.90 = 5,284,386.60/x
  3. Step 3: Cross multiply
    12,474,805.20x = 18,704,115.90 × 5,284,386.60
  4. Step 4: Simplify right side
    12,474,805.20x = 98,839,779,426,806.92
  5. Step 5: Solve for x
    x = 98,839,779,426,806.92/12,474,805.20
  6. Step 6: Final answer
    x = 7,923,152.13

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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.