Home / 20,269,788.28-27,971,962.16-10,977,282.88

Finding the Fourth Proportional to 20,269,788.28, 27,971,962.16 and 10,977,282.88

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Solution

The fourth proportional to 20,269,788.28, 27,971,962.16 and 10,977,282.88 is: 15,148,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,788.28 : 27,971,962.16 = 10,977,282.88 : x
  2. Step 2: Convert to fraction form
    20,269,788.28/27,971,962.16 = 10,977,282.88/x
  3. Step 3: Cross multiply
    20,269,788.28x = 27,971,962.16 × 10,977,282.88
  4. Step 4: Simplify right side
    20,269,788.28x = 307,056,141,338,975.88
  5. Step 5: Solve for x
    x = 307,056,141,338,975.88/20,269,788.28
  6. Step 6: Final answer
    x = 15,148,463.18

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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.