Home / 20,269,788.27-27,971,962.17-10,977,282.87

Finding the Fourth Proportional to 20,269,788.27, 27,971,962.17 and 10,977,282.87

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Solution

The fourth proportional to 20,269,788.27, 27,971,962.17 and 10,977,282.87 is: 15,148,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,788.27 : 27,971,962.17 = 10,977,282.87 : x
  2. Step 2: Convert to fraction form
    20,269,788.27/27,971,962.17 = 10,977,282.87/x
  3. Step 3: Cross multiply
    20,269,788.27x = 27,971,962.17 × 10,977,282.87
  4. Step 4: Simplify right side
    20,269,788.27x = 307,056,141,169,029
  5. Step 5: Solve for x
    x = 307,056,141,169,029/20,269,788.27
  6. Step 6: Final answer
    x = 15,148,463.17

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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.