Home / 12,127,767.30-18,191,650.95-5,750,475.30

Finding the Fourth Proportional to 12,127,767.30, 18,191,650.95 and 5,750,475.30

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Solution

The fourth proportional to 12,127,767.30, 18,191,650.95 and 5,750,475.30 is: 8,625,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,767.30 : 18,191,650.95 = 5,750,475.30 : x
  2. Step 2: Convert to fraction form
    12,127,767.30/18,191,650.95 = 5,750,475.30/x
  3. Step 3: Cross multiply
    12,127,767.30x = 18,191,650.95 × 5,750,475.30
  4. Step 4: Simplify right side
    12,127,767.30x = 104,610,639,454,196.53
  5. Step 5: Solve for x
    x = 104,610,639,454,196.53/12,127,767.30
  6. Step 6: Final answer
    x = 8,625,712.95

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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.