Home / 15,121,994.04-20,868,384.78-8,595,663.48

Finding the Fourth Proportional to 15,121,994.04, 20,868,384.78 and 8,595,663.48

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Solution

The fourth proportional to 15,121,994.04, 20,868,384.78 and 8,595,663.48 is: 11,862,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121,994.04 : 20,868,384.78 = 8,595,663.48 : x
  2. Step 2: Convert to fraction form
    15,121,994.04/20,868,384.78 = 8,595,663.48/x
  3. Step 3: Cross multiply
    15,121,994.04x = 20,868,384.78 × 8,595,663.48
  4. Step 4: Simplify right side
    15,121,994.04x = 179,377,612,940,033.84
  5. Step 5: Solve for x
    x = 179,377,612,940,033.84/15,121,994.04
  6. Step 6: Final answer
    x = 11,862,034.36

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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.