Home / 20,690,273.70-30,982,266.45-16,403,316.30

Finding the Fourth Proportional to 20,690,273.70, 30,982,266.45 and 16,403,316.30

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Solution

The fourth proportional to 20,690,273.70, 30,982,266.45 and 16,403,316.30 is: 24,562,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,690,273.70 : 30,982,266.45 = 16,403,316.30 : x
  2. Step 2: Convert to fraction form
    20,690,273.70/30,982,266.45 = 16,403,316.30/x
  3. Step 3: Cross multiply
    20,690,273.70x = 30,982,266.45 × 16,403,316.30
  4. Step 4: Simplify right side
    20,690,273.70x = 508,211,916,270,228.12
  5. Step 5: Solve for x
    x = 508,211,916,270,228.12/20,690,273.70
  6. Step 6: Final answer
    x = 24,562,841.63

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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.