Home / 12,096,009.20-18,144,013.80-4,521,990.80

Finding the Fourth Proportional to 12,096,009.20, 18,144,013.80 and 4,521,990.80

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Solution

The fourth proportional to 12,096,009.20, 18,144,013.80 and 4,521,990.80 is: 6,782,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,009.20 : 18,144,013.80 = 4,521,990.80 : x
  2. Step 2: Convert to fraction form
    12,096,009.20/18,144,013.80 = 4,521,990.80/x
  3. Step 3: Cross multiply
    12,096,009.20x = 18,144,013.80 × 4,521,990.80
  4. Step 4: Simplify right side
    12,096,009.20x = 82,047,063,478,673.05
  5. Step 5: Solve for x
    x = 82,047,063,478,673.05/12,096,009.20
  6. Step 6: Final answer
    x = 6,782,986.20

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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.