Home / 28,827,338.27-39,781,725.21-15,774,598.73

Finding the Fourth Proportional to 28,827,338.27, 39,781,725.21 and 15,774,598.73

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Solution

The fourth proportional to 28,827,338.27, 39,781,725.21 and 15,774,598.73 is: 21,768,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,338.27 : 39,781,725.21 = 15,774,598.73 : x
  2. Step 2: Convert to fraction form
    28,827,338.27/39,781,725.21 = 15,774,598.73/x
  3. Step 3: Cross multiply
    28,827,338.27x = 39,781,725.21 × 15,774,598.73
  4. Step 4: Simplify right side
    28,827,338.27x = 627,540,752,074,329.25
  5. Step 5: Solve for x
    x = 627,540,752,074,329.25/28,827,338.27
  6. Step 6: Final answer
    x = 21,768,945.38

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1.5x scale

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.