Home / 18,126,475.48-25,015,196.25-9,866,138.53

Finding the Fourth Proportional to 18,126,475.48, 25,015,196.25 and 9,866,138.53

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Solution

The fourth proportional to 18,126,475.48, 25,015,196.25 and 9,866,138.53 is: 13,615,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,475.48 : 25,015,196.25 = 9,866,138.53 : x
  2. Step 2: Convert to fraction form
    18,126,475.48/25,015,196.25 = 9,866,138.53/x
  3. Step 3: Cross multiply
    18,126,475.48x = 25,015,196.25 × 9,866,138.53
  4. Step 4: Simplify right side
    18,126,475.48x = 246,803,391,557,636.50
  5. Step 5: Solve for x
    x = 246,803,391,557,636.50/18,126,475.48
  6. Step 6: Final answer
    x = 13,615,630.45

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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.