Home / 15,420,114.97-21,279,758.80-8,544,597.03

Finding the Fourth Proportional to 15,420,114.97, 21,279,758.80 and 8,544,597.03

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Solution

The fourth proportional to 15,420,114.97, 21,279,758.80 and 8,544,597.03 is: 11,791,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,114.97 : 21,279,758.80 = 8,544,597.03 : x
  2. Step 2: Convert to fraction form
    15,420,114.97/21,279,758.80 = 8,544,597.03/x
  3. Step 3: Cross multiply
    15,420,114.97x = 21,279,758.80 × 8,544,597.03
  4. Step 4: Simplify right side
    15,420,114.97x = 181,826,963,841,596.34
  5. Step 5: Solve for x
    x = 181,826,963,841,596.34/15,420,114.97
  6. Step 6: Final answer
    x = 11,791,543.98

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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.