Home / 12,384,000.10-18,576,000.15-9,360,691.30

Finding the Fourth Proportional to 12,384,000.10, 18,576,000.15 and 9,360,691.30

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Solution

The fourth proportional to 12,384,000.10, 18,576,000.15 and 9,360,691.30 is: 14,041,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,000.10 : 18,576,000.15 = 9,360,691.30 : x
  2. Step 2: Convert to fraction form
    12,384,000.10/18,576,000.15 = 9,360,691.30/x
  3. Step 3: Cross multiply
    12,384,000.10x = 18,576,000.15 × 9,360,691.30
  4. Step 4: Simplify right side
    12,384,000.10x = 173,884,202,992,903.69
  5. Step 5: Solve for x
    x = 173,884,202,992,903.69/12,384,000.10
  6. Step 6: Final answer
    x = 14,041,036.95

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1.5x scale

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.