Home / 15,320,056.83-21,141,042.29-8,350,581.04

Finding the Fourth Proportional to 15,320,056.83, 21,141,042.29 and 8,350,581.04

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Solution

The fourth proportional to 15,320,056.83, 21,141,042.29 and 8,350,581.04 is: 11,523,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,056.83 : 21,141,042.29 = 8,350,581.04 : x
  2. Step 2: Convert to fraction form
    15,320,056.83/21,141,042.29 = 8,350,581.04/x
  3. Step 3: Cross multiply
    15,320,056.83x = 21,141,042.29 × 8,350,581.04
  4. Step 4: Simplify right side
    15,320,056.83x = 176,539,986,818,106.66
  5. Step 5: Solve for x
    x = 176,539,986,818,106.66/15,320,056.83
  6. Step 6: Final answer
    x = 11,523,455.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.