Home / 6,677,981.70-10,016,972.55-3,985,347.30

Finding the Fourth Proportional to 6,677,981.70, 10,016,972.55 and 3,985,347.30

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Solution

The fourth proportional to 6,677,981.70, 10,016,972.55 and 3,985,347.30 is: 5,978,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677,981.70 : 10,016,972.55 = 3,985,347.30 : x
  2. Step 2: Convert to fraction form
    6,677,981.70/10,016,972.55 = 3,985,347.30/x
  3. Step 3: Cross multiply
    6,677,981.70x = 10,016,972.55 × 3,985,347.30
  4. Step 4: Simplify right side
    6,677,981.70x = 39,921,114,506,316.62
  5. Step 5: Solve for x
    x = 39,921,114,506,316.62/6,677,981.70
  6. Step 6: Final answer
    x = 5,978,020.95

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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.