Home / 38,315,110.60-57,472,665.90-20,112,272.20

Finding the Fourth Proportional to 38,315,110.60, 57,472,665.90 and 20,112,272.20

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Solution

The fourth proportional to 38,315,110.60, 57,472,665.90 and 20,112,272.20 is: 30,168,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315,110.60 : 57,472,665.90 = 20,112,272.20 : x
  2. Step 2: Convert to fraction form
    38,315,110.60/57,472,665.90 = 20,112,272.20/x
  3. Step 3: Cross multiply
    38,315,110.60x = 57,472,665.90 × 20,112,272.20
  4. Step 4: Simplify right side
    38,315,110.60x = 1,155,905,900,640,458
  5. Step 5: Solve for x
    x = 1,155,905,900,640,458/38,315,110.60
  6. Step 6: Final answer
    x = 30,168,408.30

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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.