Home / 20,865,627.12-28,761,294.60-16,448,148.12

Finding the Fourth Proportional to 20,865,627.12, 28,761,294.60 and 16,448,148.12

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Solution

The fourth proportional to 20,865,627.12, 28,761,294.60 and 16,448,148.12 is: 22,672,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,865,627.12 : 28,761,294.60 = 16,448,148.12 : x
  2. Step 2: Convert to fraction form
    20,865,627.12/28,761,294.60 = 16,448,148.12/x
  3. Step 3: Cross multiply
    20,865,627.12x = 28,761,294.60 × 16,448,148.12
  4. Step 4: Simplify right side
    20,865,627.12x = 473,070,033,703,756.12
  5. Step 5: Solve for x
    x = 473,070,033,703,756.12/20,865,627.12
  6. Step 6: Final answer
    x = 22,672,217.37

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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.