Home / 20,276,758.30-27,981,806.69-10,984,505.47

Finding the Fourth Proportional to 20,276,758.30, 27,981,806.69 and 10,984,505.47

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Solution

The fourth proportional to 20,276,758.30, 27,981,806.69 and 10,984,505.47 is: 15,158,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276,758.30 : 27,981,806.69 = 10,984,505.47 : x
  2. Step 2: Convert to fraction form
    20,276,758.30/27,981,806.69 = 10,984,505.47/x
  3. Step 3: Cross multiply
    20,276,758.30x = 27,981,806.69 × 10,984,505.47
  4. Step 4: Simplify right side
    20,276,758.30x = 307,366,308,506,878.56
  5. Step 5: Solve for x
    x = 307,366,308,506,878.56/20,276,758.30
  6. Step 6: Final answer
    x = 15,158,552.66

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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.