Home / 8,169,873.78-12,249,135.38-3,618,442.48

Finding the Fourth Proportional to 8,169,873.78, 12,249,135.38 and 3,618,442.48

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Solution

The fourth proportional to 8,169,873.78, 12,249,135.38 and 3,618,442.48 is: 5,425,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,873.78 : 12,249,135.38 = 3,618,442.48 : x
  2. Step 2: Convert to fraction form
    8,169,873.78/12,249,135.38 = 3,618,442.48/x
  3. Step 3: Cross multiply
    8,169,873.78x = 12,249,135.38 × 3,618,442.48
  4. Step 4: Simplify right side
    8,169,873.78x = 44,322,791,802,262.95
  5. Step 5: Solve for x
    x = 44,322,791,802,262.95/8,169,873.78
  6. Step 6: Final answer
    x = 5,425,150.13

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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.