Home / 12,284,439.80-18,426,659.70-10,867,263.80

Finding the Fourth Proportional to 12,284,439.80, 18,426,659.70 and 10,867,263.80

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Solution

The fourth proportional to 12,284,439.80, 18,426,659.70 and 10,867,263.80 is: 16,300,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,439.80 : 18,426,659.70 = 10,867,263.80 : x
  2. Step 2: Convert to fraction form
    12,284,439.80/18,426,659.70 = 10,867,263.80/x
  3. Step 3: Cross multiply
    12,284,439.80x = 18,426,659.70 × 10,867,263.80
  4. Step 4: Simplify right side
    12,284,439.80x = 200,247,371,912,728.88
  5. Step 5: Solve for x
    x = 200,247,371,912,728.88/12,284,439.80
  6. Step 6: Final answer
    x = 16,300,895.70

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Double scale
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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.