Home / 12,253,287.80-18,379,931.70-7,948,615.70

Finding the Fourth Proportional to 12,253,287.80, 18,379,931.70 and 7,948,615.70

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Solution

The fourth proportional to 12,253,287.80, 18,379,931.70 and 7,948,615.70 is: 11,922,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,287.80 : 18,379,931.70 = 7,948,615.70 : x
  2. Step 2: Convert to fraction form
    12,253,287.80/18,379,931.70 = 7,948,615.70/x
  3. Step 3: Cross multiply
    12,253,287.80x = 18,379,931.70 × 7,948,615.70
  4. Step 4: Simplify right side
    12,253,287.80x = 146,095,013,675,547.69
  5. Step 5: Solve for x
    x = 146,095,013,675,547.69/12,253,287.80
  6. Step 6: Final answer
    x = 11,922,923.55

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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.