Home / 5,267,285.30-7,900,927.95-4,679,419.70

Finding the Fourth Proportional to 5,267,285.30, 7,900,927.95 and 4,679,419.70

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Solution

The fourth proportional to 5,267,285.30, 7,900,927.95 and 4,679,419.70 is: 7,019,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267,285.30 : 7,900,927.95 = 4,679,419.70 : x
  2. Step 2: Convert to fraction form
    5,267,285.30/7,900,927.95 = 4,679,419.70/x
  3. Step 3: Cross multiply
    5,267,285.30x = 7,900,927.95 × 4,679,419.70
  4. Step 4: Simplify right side
    5,267,285.30x = 36,971,757,897,510.62
  5. Step 5: Solve for x
    x = 36,971,757,897,510.62/5,267,285.30
  6. Step 6: Final answer
    x = 7,019,129.55

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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.