Home / 12,431,526.55-18,647,158.60-4,858,426.69

Finding the Fourth Proportional to 12,431,526.55, 18,647,158.60 and 4,858,426.69

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Solution

The fourth proportional to 12,431,526.55, 18,647,158.60 and 4,858,426.69 is: 7,287,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431,526.55 : 18,647,158.60 = 4,858,426.69 : x
  2. Step 2: Convert to fraction form
    12,431,526.55/18,647,158.60 = 4,858,426.69/x
  3. Step 3: Cross multiply
    12,431,526.55x = 18,647,158.60 × 4,858,426.69
  4. Step 4: Simplify right side
    12,431,526.55x = 90,595,852,994,358.17
  5. Step 5: Solve for x
    x = 90,595,852,994,358.17/12,431,526.55
  6. Step 6: Final answer
    x = 7,287,588.75

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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.