Home / 17,172,143.80-25,758,215.70-12,133,295.80

Finding the Fourth Proportional to 17,172,143.80, 25,758,215.70 and 12,133,295.80

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Solution

The fourth proportional to 17,172,143.80, 25,758,215.70 and 12,133,295.80 is: 18,199,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172,143.80 : 25,758,215.70 = 12,133,295.80 : x
  2. Step 2: Convert to fraction form
    17,172,143.80/25,758,215.70 = 12,133,295.80/x
  3. Step 3: Cross multiply
    17,172,143.80x = 25,758,215.70 × 12,133,295.80
  4. Step 4: Simplify right side
    17,172,143.80x = 312,532,050,368,304.06
  5. Step 5: Solve for x
    x = 312,532,050,368,304.06/17,172,143.80
  6. Step 6: Final answer
    x = 18,199,943.70

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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.