Home / 12,136,040.40-18,191,813.40-6,061,429.20

Finding the Fourth Proportional to 12,136,040.40, 18,191,813.40 and 6,061,429.20

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Solution

The fourth proportional to 12,136,040.40, 18,191,813.40 and 6,061,429.20 is: 9,086,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,040.40 : 18,191,813.40 = 6,061,429.20 : x
  2. Step 2: Convert to fraction form
    12,136,040.40/18,191,813.40 = 6,061,429.20/x
  3. Step 3: Cross multiply
    12,136,040.40x = 18,191,813.40 × 6,061,429.20
  4. Step 4: Simplify right side
    12,136,040.40x = 110,268,388,943,711.28
  5. Step 5: Solve for x
    x = 110,268,388,943,711.28/12,136,040.40
  6. Step 6: Final answer
    x = 9,086,026.85

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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.