Home / 12,254,951.10-18,382,426.65-8,223,872.70

Finding the Fourth Proportional to 12,254,951.10, 18,382,426.65 and 8,223,872.70

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Solution

The fourth proportional to 12,254,951.10, 18,382,426.65 and 8,223,872.70 is: 12,335,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,951.10 : 18,382,426.65 = 8,223,872.70 : x
  2. Step 2: Convert to fraction form
    12,254,951.10/18,382,426.65 = 8,223,872.70/x
  3. Step 3: Cross multiply
    12,254,951.10x = 18,382,426.65 × 8,223,872.70
  4. Step 4: Simplify right side
    12,254,951.10x = 151,174,736,686,687.44
  5. Step 5: Solve for x
    x = 151,174,736,686,687.44/12,254,951.10
  6. Step 6: Final answer
    x = 12,335,809.05

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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.