Home / 20,936,857.51-31,406,778.89-5,584,060.10

Finding the Fourth Proportional to 20,936,857.51, 31,406,778.89 and 5,584,060.10

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Solution

The fourth proportional to 20,936,857.51, 31,406,778.89 and 5,584,060.10 is: 8,376,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936,857.51 : 31,406,778.89 = 5,584,060.10 : x
  2. Step 2: Convert to fraction form
    20,936,857.51/31,406,778.89 = 5,584,060.10/x
  3. Step 3: Cross multiply
    20,936,857.51x = 31,406,778.89 × 5,584,060.10
  4. Step 4: Simplify right side
    20,936,857.51x = 175,377,340,869,171.28
  5. Step 5: Solve for x
    x = 175,377,340,869,171.28/20,936,857.51
  6. Step 6: Final answer
    x = 8,376,488.25

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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.