Home / 51,510,003.40-77,265,005.10-13,174,517.80

Finding the Fourth Proportional to 51,510,003.40, 77,265,005.10 and 13,174,517.80

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Solution

The fourth proportional to 51,510,003.40, 77,265,005.10 and 13,174,517.80 is: 19,761,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,510,003.40 : 77,265,005.10 = 13,174,517.80 : x
  2. Step 2: Convert to fraction form
    51,510,003.40/77,265,005.10 = 13,174,517.80/x
  3. Step 3: Cross multiply
    51,510,003.40x = 77,265,005.10 × 13,174,517.80
  4. Step 4: Simplify right side
    51,510,003.40x = 1,017,929,185,007,040.75
  5. Step 5: Solve for x
    x = 1,017,929,185,007,040.75/51,510,003.40
  6. Step 6: Final answer
    x = 19,761,776.70

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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.