Home / 12,096,281.20-18,144,421.80-3,120,833.20

Finding the Fourth Proportional to 12,096,281.20, 18,144,421.80 and 3,120,833.20

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Solution

The fourth proportional to 12,096,281.20, 18,144,421.80 and 3,120,833.20 is: 4,681,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,281.20 : 18,144,421.80 = 3,120,833.20 : x
  2. Step 2: Convert to fraction form
    12,096,281.20/18,144,421.80 = 3,120,833.20/x
  3. Step 3: Cross multiply
    12,096,281.20x = 18,144,421.80 × 3,120,833.20
  4. Step 4: Simplify right side
    12,096,281.20x = 56,625,713,948,243.77
  5. Step 5: Solve for x
    x = 56,625,713,948,243.77/12,096,281.20
  6. Step 6: Final answer
    x = 4,681,249.80

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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.