Home / 21,141,205.20-31,711,807.80-5,995,136.70

Finding the Fourth Proportional to 21,141,205.20, 31,711,807.80 and 5,995,136.70

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Solution

The fourth proportional to 21,141,205.20, 31,711,807.80 and 5,995,136.70 is: 8,992,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,205.20 : 31,711,807.80 = 5,995,136.70 : x
  2. Step 2: Convert to fraction form
    21,141,205.20/31,711,807.80 = 5,995,136.70/x
  3. Step 3: Cross multiply
    21,141,205.20x = 31,711,807.80 × 5,995,136.70
  4. Step 4: Simplify right side
    21,141,205.20x = 190,116,622,765,126.28
  5. Step 5: Solve for x
    x = 190,116,622,765,126.28/21,141,205.20
  6. Step 6: Final answer
    x = 8,992,705.05

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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.