Home / 20,356,891.50-30,527,943.36-11,141,675.40

Finding the Fourth Proportional to 20,356,891.50, 30,527,943.36 and 11,141,675.40

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Solution

The fourth proportional to 20,356,891.50, 30,527,943.36 and 11,141,675.40 is: 16,708,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356,891.50 : 30,527,943.36 = 11,141,675.40 : x
  2. Step 2: Convert to fraction form
    20,356,891.50/30,527,943.36 = 11,141,675.40/x
  3. Step 3: Cross multiply
    20,356,891.50x = 30,527,943.36 × 11,141,675.40
  4. Step 4: Simplify right side
    20,356,891.50x = 340,132,435,546,705.38
  5. Step 5: Solve for x
    x = 340,132,435,546,705.38/20,356,891.50
  6. Step 6: Final answer
    x = 16,708,466.30

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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.