Home / 15,046,511.70-20,770,542-10,158,354.48

Finding the Fourth Proportional to 15,046,511.70, 20,770,542 and 10,158,354.48

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Solution

The fourth proportional to 15,046,511.70, 20,770,542 and 10,158,354.48 is: 14,022,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,511.70 : 20,770,542 = 10,158,354.48 : x
  2. Step 2: Convert to fraction form
    15,046,511.70/20,770,542 = 10,158,354.48/x
  3. Step 3: Cross multiply
    15,046,511.70x = 20,770,542 × 10,158,354.48
  4. Step 4: Simplify right side
    15,046,511.70x = 210,994,528,377,728.16
  5. Step 5: Solve for x
    x = 210,994,528,377,728.16/15,046,511.70
  6. Step 6: Final answer
    x = 14,022,820.21

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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.