Home / 20,603,275.04-30,864,508.40-11,949,194.90

Finding the Fourth Proportional to 20,603,275.04, 30,864,508.40 and 11,949,194.90

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Solution

The fourth proportional to 20,603,275.04, 30,864,508.40 and 11,949,194.90 is: 17,900,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,275.04 : 30,864,508.40 = 11,949,194.90 : x
  2. Step 2: Convert to fraction form
    20,603,275.04/30,864,508.40 = 11,949,194.90/x
  3. Step 3: Cross multiply
    20,603,275.04x = 30,864,508.40 × 11,949,194.90
  4. Step 4: Simplify right side
    20,603,275.04x = 368,806,026,364,287.12
  5. Step 5: Solve for x
    x = 368,806,026,364,287.12/20,603,275.04
  6. Step 6: Final answer
    x = 17,900,359.32

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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.