Home / 20,156,997.29-27,815,457.74-11,453,962.01

Finding the Fourth Proportional to 20,156,997.29, 27,815,457.74 and 11,453,962.01

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Solution

The fourth proportional to 20,156,997.29, 27,815,457.74 and 11,453,962.01 is: 15,805,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,997.29 : 27,815,457.74 = 11,453,962.01 : x
  2. Step 2: Convert to fraction form
    20,156,997.29/27,815,457.74 = 11,453,962.01/x
  3. Step 3: Cross multiply
    20,156,997.29x = 27,815,457.74 × 11,453,962.01
  4. Step 4: Simplify right side
    20,156,997.29x = 318,597,196,048,373.38
  5. Step 5: Solve for x
    x = 318,597,196,048,373.38/20,156,997.29
  6. Step 6: Final answer
    x = 15,805,786.52

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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.