Home / 12,096,529.20-18,144,793.80-9,997,009.20

Finding the Fourth Proportional to 12,096,529.20, 18,144,793.80 and 9,997,009.20

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Solution

The fourth proportional to 12,096,529.20, 18,144,793.80 and 9,997,009.20 is: 14,995,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,529.20 : 18,144,793.80 = 9,997,009.20 : x
  2. Step 2: Convert to fraction form
    12,096,529.20/18,144,793.80 = 9,997,009.20/x
  3. Step 3: Cross multiply
    12,096,529.20x = 18,144,793.80 × 9,997,009.20
  4. Step 4: Simplify right side
    12,096,529.20x = 181,393,670,550,702.97
  5. Step 5: Solve for x
    x = 181,393,670,550,702.97/12,096,529.20
  6. Step 6: Final answer
    x = 14,995,513.80

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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.