Home / 21,711,164.80-32,567,136.46-7,887,940.66

Finding the Fourth Proportional to 21,711,164.80, 32,567,136.46 and 7,887,940.66

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Solution

The fourth proportional to 21,711,164.80, 32,567,136.46 and 7,887,940.66 is: 11,832,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711,164.80 : 32,567,136.46 = 7,887,940.66 : x
  2. Step 2: Convert to fraction form
    21,711,164.80/32,567,136.46 = 7,887,940.66/x
  3. Step 3: Cross multiply
    21,711,164.80x = 32,567,136.46 × 7,887,940.66
  4. Step 4: Simplify right side
    21,711,164.80x = 256,887,639,862,602.47
  5. Step 5: Solve for x
    x = 256,887,639,862,602.47/21,711,164.80
  6. Step 6: Final answer
    x = 11,832,052.41

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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.