Home / 18,126,539.99-25,015,285.28-9,866,203.34

Finding the Fourth Proportional to 18,126,539.99, 25,015,285.28 and 9,866,203.34

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Solution

The fourth proportional to 18,126,539.99, 25,015,285.28 and 9,866,203.34 is: 13,615,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,539.99 : 25,015,285.28 = 9,866,203.34 : x
  2. Step 2: Convert to fraction form
    18,126,539.99/25,015,285.28 = 9,866,203.34/x
  3. Step 3: Cross multiply
    18,126,539.99x = 25,015,285.28 × 9,866,203.34
  4. Step 4: Simplify right side
    18,126,539.99x = 246,805,891,180,588.84
  5. Step 5: Solve for x
    x = 246,805,891,180,588.84/18,126,539.99
  6. Step 6: Final answer
    x = 13,615,719.90

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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.