Home / 12,937,608-19,428,376.56-8,647,228.87

Finding the Fourth Proportional to 12,937,608, 19,428,376.56 and 8,647,228.87

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Solution

The fourth proportional to 12,937,608, 19,428,376.56 and 8,647,228.87 is: 12,985,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,608 : 19,428,376.56 = 8,647,228.87 : x
  2. Step 2: Convert to fraction form
    12,937,608/19,428,376.56 = 8,647,228.87/x
  3. Step 3: Cross multiply
    12,937,608x = 19,428,376.56 × 8,647,228.87
  4. Step 4: Simplify right side
    12,937,608x = 168,001,618,686,863.25
  5. Step 5: Solve for x
    x = 168,001,618,686,863.25/12,937,608
  6. Step 6: Final answer
    x = 12,985,523.96

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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.