Home / 18,428,469.20-27,642,703.80-8,842,216.40

Finding the Fourth Proportional to 18,428,469.20, 27,642,703.80 and 8,842,216.40

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Solution

The fourth proportional to 18,428,469.20, 27,642,703.80 and 8,842,216.40 is: 13,263,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,469.20 : 27,642,703.80 = 8,842,216.40 : x
  2. Step 2: Convert to fraction form
    18,428,469.20/27,642,703.80 = 8,842,216.40/x
  3. Step 3: Cross multiply
    18,428,469.20x = 27,642,703.80 × 8,842,216.40
  4. Step 4: Simplify right side
    18,428,469.20x = 244,422,768,880,702.34
  5. Step 5: Solve for x
    x = 244,422,768,880,702.34/18,428,469.20
  6. Step 6: Final answer
    x = 13,263,324.60

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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.