Home / 28,052,719.20-42,079,078.80-12,096,367.20

Finding the Fourth Proportional to 28,052,719.20, 42,079,078.80 and 12,096,367.20

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Solution

The fourth proportional to 28,052,719.20, 42,079,078.80 and 12,096,367.20 is: 18,144,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,719.20 : 42,079,078.80 = 12,096,367.20 : x
  2. Step 2: Convert to fraction form
    28,052,719.20/42,079,078.80 = 12,096,367.20/x
  3. Step 3: Cross multiply
    28,052,719.20x = 42,079,078.80 × 12,096,367.20
  4. Step 4: Simplify right side
    28,052,719.20x = 509,003,988,602,535.31
  5. Step 5: Solve for x
    x = 509,003,988,602,535.31/28,052,719.20
  6. Step 6: Final answer
    x = 18,144,550.80

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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.