Home / 20,385,380.03-30,578,061.51-7,432,500.74

Finding the Fourth Proportional to 20,385,380.03, 30,578,061.51 and 7,432,500.74

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Solution

The fourth proportional to 20,385,380.03, 30,578,061.51 and 7,432,500.74 is: 11,148,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385,380.03 : 30,578,061.51 = 7,432,500.74 : x
  2. Step 2: Convert to fraction form
    20,385,380.03/30,578,061.51 = 7,432,500.74/x
  3. Step 3: Cross multiply
    20,385,380.03x = 30,578,061.51 × 7,432,500.74
  4. Step 4: Simplify right side
    20,385,380.03x = 227,271,464,647,950.22
  5. Step 5: Solve for x
    x = 227,271,464,647,950.22/20,385,380.03
  6. Step 6: Final answer
    x = 11,148,747.99

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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.