Home / 8,404,423.20-12,604,885.20-3,612,268.80

Finding the Fourth Proportional to 8,404,423.20, 12,604,885.20 and 3,612,268.80

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Solution

The fourth proportional to 8,404,423.20, 12,604,885.20 and 3,612,268.80 is: 5,417,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,423.20 : 12,604,885.20 = 3,612,268.80 : x
  2. Step 2: Convert to fraction form
    8,404,423.20/12,604,885.20 = 3,612,268.80/x
  3. Step 3: Cross multiply
    8,404,423.20x = 12,604,885.20 × 3,612,268.80
  4. Step 4: Simplify right side
    8,404,423.20x = 45,532,233,535,541.76
  5. Step 5: Solve for x
    x = 45,532,233,535,541.76/8,404,423.20
  6. Step 6: Final answer
    x = 5,417,651.21

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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.