Home / 18,888,083.20-28,332,124.80-6,109,879.60

Finding the Fourth Proportional to 18,888,083.20, 28,332,124.80 and 6,109,879.60

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Solution

The fourth proportional to 18,888,083.20, 28,332,124.80 and 6,109,879.60 is: 9,164,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,083.20 : 28,332,124.80 = 6,109,879.60 : x
  2. Step 2: Convert to fraction form
    18,888,083.20/28,332,124.80 = 6,109,879.60/x
  3. Step 3: Cross multiply
    18,888,083.20x = 28,332,124.80 × 6,109,879.60
  4. Step 4: Simplify right side
    18,888,083.20x = 173,105,871,340,174.06
  5. Step 5: Solve for x
    x = 173,105,871,340,174.06/18,888,083.20
  6. Step 6: Final answer
    x = 9,164,819.40

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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.