Home / 12,875,233.80-19,312,850.70-3,899,785.80

Finding the Fourth Proportional to 12,875,233.80, 19,312,850.70 and 3,899,785.80

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Solution

The fourth proportional to 12,875,233.80, 19,312,850.70 and 3,899,785.80 is: 5,849,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,233.80 : 19,312,850.70 = 3,899,785.80 : x
  2. Step 2: Convert to fraction form
    12,875,233.80/19,312,850.70 = 3,899,785.80/x
  3. Step 3: Cross multiply
    12,875,233.80x = 19,312,850.70 × 3,899,785.80
  4. Step 4: Simplify right side
    12,875,233.80x = 75,315,980,917,380.05
  5. Step 5: Solve for x
    x = 75,315,980,917,380.05/12,875,233.80
  6. Step 6: Final answer
    x = 5,849,678.70

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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.