Home / 28,395,979.29-42,598,372.82-12,001,332.74

Finding the Fourth Proportional to 28,395,979.29, 42,598,372.82 and 12,001,332.74

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Solution

The fourth proportional to 28,395,979.29, 42,598,372.82 and 12,001,332.74 is: 18,003,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395,979.29 : 42,598,372.82 = 12,001,332.74 : x
  2. Step 2: Convert to fraction form
    28,395,979.29/42,598,372.82 = 12,001,332.74/x
  3. Step 3: Cross multiply
    28,395,979.29x = 42,598,372.82 × 12,001,332.74
  4. Step 4: Simplify right side
    28,395,979.29x = 511,237,246,122,393.56
  5. Step 5: Solve for x
    x = 511,237,246,122,393.56/28,395,979.29
  6. Step 6: Final answer
    x = 18,003,860.37

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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.