Home / 30,986,488.86-42,772,866.21-26,618,043.84

Finding the Fourth Proportional to 30,986,488.86, 42,772,866.21 and 26,618,043.84

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Solution

The fourth proportional to 30,986,488.86, 42,772,866.21 and 26,618,043.84 is: 36,742,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986,488.86 : 42,772,866.21 = 26,618,043.84 : x
  2. Step 2: Convert to fraction form
    30,986,488.86/42,772,866.21 = 26,618,043.84/x
  3. Step 3: Cross multiply
    30,986,488.86x = 42,772,866.21 × 26,618,043.84
  4. Step 4: Simplify right side
    30,986,488.86x = 1,138,530,027,940,234.75
  5. Step 5: Solve for x
    x = 1,138,530,027,940,234.75/30,986,488.86
  6. Step 6: Final answer
    x = 36,742,789.19

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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.