Home / 15,332,602.62-21,158,620.80-8,456,937.06

Finding the Fourth Proportional to 15,332,602.62, 21,158,620.80 and 8,456,937.06

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Solution

The fourth proportional to 15,332,602.62, 21,158,620.80 and 8,456,937.06 is: 11,670,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,602.62 : 21,158,620.80 = 8,456,937.06 : x
  2. Step 2: Convert to fraction form
    15,332,602.62/21,158,620.80 = 8,456,937.06/x
  3. Step 3: Cross multiply
    15,332,602.62x = 21,158,620.80 × 8,456,937.06
  4. Step 4: Simplify right side
    15,332,602.62x = 178,937,124,382,006.88
  5. Step 5: Solve for x
    x = 178,937,124,382,006.88/15,332,602.62
  6. Step 6: Final answer
    x = 11,670,368.61

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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.