Home / 28,262,863.20-42,396,598.80-12,088,936.80

Finding the Fourth Proportional to 28,262,863.20, 42,396,598.80 and 12,088,936.80

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Solution

The fourth proportional to 28,262,863.20, 42,396,598.80 and 12,088,936.80 is: 18,134,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,863.20 : 42,396,598.80 = 12,088,936.80 : x
  2. Step 2: Convert to fraction form
    28,262,863.20/42,396,598.80 = 12,088,936.80/x
  3. Step 3: Cross multiply
    28,262,863.20x = 42,396,598.80 × 12,088,936.80
  4. Step 4: Simplify right side
    28,262,863.20x = 512,529,803,428,155.81
  5. Step 5: Solve for x
    x = 512,529,803,428,155.81/28,262,863.20
  6. Step 6: Final answer
    x = 18,134,390.70

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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.