Home / 12,670,971.28-19,006,488.07-3,573,116.55

Finding the Fourth Proportional to 12,670,971.28, 19,006,488.07 and 3,573,116.55

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Solution

The fourth proportional to 12,670,971.28, 19,006,488.07 and 3,573,116.55 is: 5,359,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,971.28 : 19,006,488.07 = 3,573,116.55 : x
  2. Step 2: Convert to fraction form
    12,670,971.28/19,006,488.07 = 3,573,116.55/x
  3. Step 3: Cross multiply
    12,670,971.28x = 19,006,488.07 × 3,573,116.55
  4. Step 4: Simplify right side
    12,670,971.28x = 67,912,397,080,294.55
  5. Step 5: Solve for x
    x = 67,912,397,080,294.55/12,670,971.28
  6. Step 6: Final answer
    x = 5,359,683.61

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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.