Home / 13,413,873.30-20,120,809.95-4,891,377.30

Finding the Fourth Proportional to 13,413,873.30, 20,120,809.95 and 4,891,377.30

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Solution

The fourth proportional to 13,413,873.30, 20,120,809.95 and 4,891,377.30 is: 7,337,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,873.30 : 20,120,809.95 = 4,891,377.30 : x
  2. Step 2: Convert to fraction form
    13,413,873.30/20,120,809.95 = 4,891,377.30/x
  3. Step 3: Cross multiply
    13,413,873.30x = 20,120,809.95 × 4,891,377.30
  4. Step 4: Simplify right side
    13,413,873.30x = 98,418,473,047,044.12
  5. Step 5: Solve for x
    x = 98,418,473,047,044.12/13,413,873.30
  6. Step 6: Final answer
    x = 7,337,065.95

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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.