Home / 15,420,112.97-21,279,756.04-8,544,595.03

Finding the Fourth Proportional to 15,420,112.97, 21,279,756.04 and 8,544,595.03

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Solution

The fourth proportional to 15,420,112.97, 21,279,756.04 and 8,544,595.03 is: 11,791,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,112.97 : 21,279,756.04 = 8,544,595.03 : x
  2. Step 2: Convert to fraction form
    15,420,112.97/21,279,756.04 = 8,544,595.03/x
  3. Step 3: Cross multiply
    15,420,112.97x = 21,279,756.04 × 8,544,595.03
  4. Step 4: Simplify right side
    15,420,112.97x = 181,826,897,624,435.62
  5. Step 5: Solve for x
    x = 181,826,897,624,435.62/15,420,112.97
  6. Step 6: Final answer
    x = 11,791,541.22

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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.