Home / 5,139,119.61-7,700,269.46-3,111,217.11

Finding the Fourth Proportional to 5,139,119.61, 7,700,269.46 and 3,111,217.11

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Solution

The fourth proportional to 5,139,119.61, 7,700,269.46 and 3,111,217.11 is: 4,661,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,119.61 : 7,700,269.46 = 3,111,217.11 : x
  2. Step 2: Convert to fraction form
    5,139,119.61/7,700,269.46 = 3,111,217.11/x
  3. Step 3: Cross multiply
    5,139,119.61x = 7,700,269.46 × 3,111,217.11
  4. Step 4: Simplify right side
    5,139,119.61x = 23,957,210,080,006.38
  5. Step 5: Solve for x
    x = 23,957,210,080,006.38/5,139,119.61
  6. Step 6: Final answer
    x = 4,661,734.28

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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.