Home / 12,285,969.70-18,428,954.55-6,239,352.10

Finding the Fourth Proportional to 12,285,969.70, 18,428,954.55 and 6,239,352.10

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Solution

The fourth proportional to 12,285,969.70, 18,428,954.55 and 6,239,352.10 is: 9,359,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,969.70 : 18,428,954.55 = 6,239,352.10 : x
  2. Step 2: Convert to fraction form
    12,285,969.70/18,428,954.55 = 6,239,352.10/x
  3. Step 3: Cross multiply
    12,285,969.70x = 18,428,954.55 × 6,239,352.10
  4. Step 4: Simplify right side
    12,285,969.70x = 114,984,736,272,347.05
  5. Step 5: Solve for x
    x = 114,984,736,272,347.05/12,285,969.70
  6. Step 6: Final answer
    x = 9,359,028.15

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Double scale
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Similar ratio
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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.