Home / 26,275,438.80-39,442,649.40-20,318,216.40

Finding the Fourth Proportional to 26,275,438.80, 39,442,649.40 and 20,318,216.40

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Solution

The fourth proportional to 26,275,438.80, 39,442,649.40 and 20,318,216.40 is: 30,500,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,275,438.80 : 39,442,649.40 = 20,318,216.40 : x
  2. Step 2: Convert to fraction form
    26,275,438.80/39,442,649.40 = 20,318,216.40/x
  3. Step 3: Cross multiply
    26,275,438.80x = 39,442,649.40 × 20,318,216.40
  4. Step 4: Simplify right side
    26,275,438.80x = 801,404,285,898,530.12
  5. Step 5: Solve for x
    x = 801,404,285,898,530.12/26,275,438.80
  6. Step 6: Final answer
    x = 30,500,129.49

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1.5x scale

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.