Home / 38,315,115.60-57,472,673.40-20,112,277.20

Finding the Fourth Proportional to 38,315,115.60, 57,472,673.40 and 20,112,277.20

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Solution

The fourth proportional to 38,315,115.60, 57,472,673.40 and 20,112,277.20 is: 30,168,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315,115.60 : 57,472,673.40 = 20,112,277.20 : x
  2. Step 2: Convert to fraction form
    38,315,115.60/57,472,673.40 = 20,112,277.20/x
  3. Step 3: Cross multiply
    38,315,115.60x = 57,472,673.40 × 20,112,277.20
  4. Step 4: Simplify right side
    38,315,115.60x = 1,155,906,338,845,866.50
  5. Step 5: Solve for x
    x = 1,155,906,338,845,866.50/38,315,115.60
  6. Step 6: Final answer
    x = 30,168,415.80

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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.