Home / 12,988,891.20-19,484,565.60-3,533,275.20

Finding the Fourth Proportional to 12,988,891.20, 19,484,565.60 and 3,533,275.20

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Solution

The fourth proportional to 12,988,891.20, 19,484,565.60 and 3,533,275.20 is: 5,300,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,891.20 : 19,484,565.60 = 3,533,275.20 : x
  2. Step 2: Convert to fraction form
    12,988,891.20/19,484,565.60 = 3,533,275.20/x
  3. Step 3: Cross multiply
    12,988,891.20x = 19,484,565.60 × 3,533,275.20
  4. Step 4: Simplify right side
    12,988,891.20x = 68,844,332,417,253.12
  5. Step 5: Solve for x
    x = 68,844,332,417,253.12/12,988,891.20
  6. Step 6: Final answer
    x = 5,300,247.06

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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.