Home / 7,130,002.90-10,690,281.15-3,936,658.90

Finding the Fourth Proportional to 7,130,002.90, 10,690,281.15 and 3,936,658.90

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Solution

The fourth proportional to 7,130,002.90, 10,690,281.15 and 3,936,658.90 is: 5,902,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,002.90 : 10,690,281.15 = 3,936,658.90 : x
  2. Step 2: Convert to fraction form
    7,130,002.90/10,690,281.15 = 3,936,658.90/x
  3. Step 3: Cross multiply
    7,130,002.90x = 10,690,281.15 × 3,936,658.90
  4. Step 4: Simplify right side
    7,130,002.90x = 42,083,990,432,649.73
  5. Step 5: Solve for x
    x = 42,083,990,432,649.73/7,130,002.90
  6. Step 6: Final answer
    x = 5,902,380.55

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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.