Home / 15,142,278-22,702,219.56-9,157,315.44

Finding the Fourth Proportional to 15,142,278, 22,702,219.56 and 9,157,315.44

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Solution

The fourth proportional to 15,142,278, 22,702,219.56 and 9,157,315.44 is: 13,729,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142,278 : 22,702,219.56 = 9,157,315.44 : x
  2. Step 2: Convert to fraction form
    15,142,278/22,702,219.56 = 9,157,315.44/x
  3. Step 3: Cross multiply
    15,142,278x = 22,702,219.56 × 9,157,315.44
  4. Step 4: Simplify right side
    15,142,278x = 207,891,385,699,057.97
  5. Step 5: Solve for x
    x = 207,891,385,699,057.97/15,142,278
  6. Step 6: Final answer
    x = 13,729,201.49

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1.5x scale

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.