Home / 18,330,437.80-27,511,403.10-8,111,024.20

Finding the Fourth Proportional to 18,330,437.80, 27,511,403.10 and 8,111,024.20

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Solution

The fourth proportional to 18,330,437.80, 27,511,403.10 and 8,111,024.20 is: 12,173,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330,437.80 : 27,511,403.10 = 8,111,024.20 : x
  2. Step 2: Convert to fraction form
    18,330,437.80/27,511,403.10 = 8,111,024.20/x
  3. Step 3: Cross multiply
    18,330,437.80x = 27,511,403.10 × 8,111,024.20
  4. Step 4: Simplify right side
    18,330,437.80x = 223,145,656,320,055.03
  5. Step 5: Solve for x
    x = 223,145,656,320,055.03/18,330,437.80
  6. Step 6: Final answer
    x = 12,173,503.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.