Home / 20,229,870.30-30,344,805.45-7,447,730.10

Finding the Fourth Proportional to 20,229,870.30, 30,344,805.45 and 7,447,730.10

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Solution

The fourth proportional to 20,229,870.30, 30,344,805.45 and 7,447,730.10 is: 11,171,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,870.30 : 30,344,805.45 = 7,447,730.10 : x
  2. Step 2: Convert to fraction form
    20,229,870.30/30,344,805.45 = 7,447,730.10/x
  3. Step 3: Cross multiply
    20,229,870.30x = 30,344,805.45 × 7,447,730.10
  4. Step 4: Simplify right side
    20,229,870.30x = 225,999,920,928,609.03
  5. Step 5: Solve for x
    x = 225,999,920,928,609.03/20,229,870.30
  6. Step 6: Final answer
    x = 11,171,595.15

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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.