Home / 15,406,614.50-21,283,273.68-12,305,065.64

Finding the Fourth Proportional to 15,406,614.50, 21,283,273.68 and 12,305,065.64

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Solution

The fourth proportional to 15,406,614.50, 21,283,273.68 and 12,305,065.64 is: 16,998,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,614.50 : 21,283,273.68 = 12,305,065.64 : x
  2. Step 2: Convert to fraction form
    15,406,614.50/21,283,273.68 = 12,305,065.64/x
  3. Step 3: Cross multiply
    15,406,614.50x = 21,283,273.68 × 12,305,065.64
  4. Step 4: Simplify right side
    15,406,614.50x = 261,892,079,666,484.38
  5. Step 5: Solve for x
    x = 261,892,079,666,484.38/15,406,614.50
  6. Step 6: Final answer
    x = 16,998,678.05

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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.