Home / 42,017,470.05-62,991,213.08-17,775,012.45

Finding the Fourth Proportional to 42,017,470.05, 62,991,213.08 and 17,775,012.45

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Solution

The fourth proportional to 42,017,470.05, 62,991,213.08 and 17,775,012.45 is: 26,647,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017,470.05 : 62,991,213.08 = 17,775,012.45 : x
  2. Step 2: Convert to fraction form
    42,017,470.05/62,991,213.08 = 17,775,012.45/x
  3. Step 3: Cross multiply
    42,017,470.05x = 62,991,213.08 × 17,775,012.45
  4. Step 4: Simplify right side
    42,017,470.05x = 1,119,669,596,648,727.75
  5. Step 5: Solve for x
    x = 1,119,669,596,648,727.75/42,017,470.05
  6. Step 6: Final answer
    x = 26,647,715.71

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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.