Home / 13,908,076.80-20,862,115.20-9,656,548.80

Finding the Fourth Proportional to 13,908,076.80, 20,862,115.20 and 9,656,548.80

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Solution

The fourth proportional to 13,908,076.80, 20,862,115.20 and 9,656,548.80 is: 14,484,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,076.80 : 20,862,115.20 = 9,656,548.80 : x
  2. Step 2: Convert to fraction form
    13,908,076.80/20,862,115.20 = 9,656,548.80/x
  3. Step 3: Cross multiply
    13,908,076.80x = 20,862,115.20 × 9,656,548.80
  4. Step 4: Simplify right side
    13,908,076.80x = 201,456,033,500,021.78
  5. Step 5: Solve for x
    x = 201,456,033,500,021.78/13,908,076.80
  6. Step 6: Final answer
    x = 14,484,823.20

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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.