Home / 18,005,279.48-24,847,283.75-9,745,340.25

Finding the Fourth Proportional to 18,005,279.48, 24,847,283.75 and 9,745,340.25

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Solution

The fourth proportional to 18,005,279.48, 24,847,283.75 and 9,745,340.25 is: 13,448,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005,279.48 : 24,847,283.75 = 9,745,340.25 : x
  2. Step 2: Convert to fraction form
    18,005,279.48/24,847,283.75 = 9,745,340.25/x
  3. Step 3: Cross multiply
    18,005,279.48x = 24,847,283.75 × 9,745,340.25
  4. Step 4: Simplify right side
    18,005,279.48x = 242,145,234,383,319.25
  5. Step 5: Solve for x
    x = 242,145,234,383,319.25/18,005,279.48
  6. Step 6: Final answer
    x = 13,448,568.50

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1.5x scale

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.