Home / 7,251,158.21-10,006,665.35-3,943,483.89

Finding the Fourth Proportional to 7,251,158.21, 10,006,665.35 and 3,943,483.89

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Solution

The fourth proportional to 7,251,158.21, 10,006,665.35 and 3,943,483.89 is: 5,442,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,158.21 : 10,006,665.35 = 3,943,483.89 : x
  2. Step 2: Convert to fraction form
    7,251,158.21/10,006,665.35 = 3,943,483.89/x
  3. Step 3: Cross multiply
    7,251,158.21x = 10,006,665.35 × 3,943,483.89
  4. Step 4: Simplify right side
    7,251,158.21x = 39,461,123,543,103.80
  5. Step 5: Solve for x
    x = 39,461,123,543,103.80/7,251,158.21
  6. Step 6: Final answer
    x = 5,442,044.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.