Home / 15,316,180.80-22,974,271.20-12,481,828.80

Finding the Fourth Proportional to 15,316,180.80, 22,974,271.20 and 12,481,828.80

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Solution

The fourth proportional to 15,316,180.80, 22,974,271.20 and 12,481,828.80 is: 18,722,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,180.80 : 22,974,271.20 = 12,481,828.80 : x
  2. Step 2: Convert to fraction form
    15,316,180.80/22,974,271.20 = 12,481,828.80/x
  3. Step 3: Cross multiply
    15,316,180.80x = 22,974,271.20 × 12,481,828.80
  4. Step 4: Simplify right side
    15,316,180.80x = 286,760,919,923,170.56
  5. Step 5: Solve for x
    x = 286,760,919,923,170.56/15,316,180.80
  6. Step 6: Final answer
    x = 18,722,743.20

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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.