Home / 18,875,849-28,313,789.46-9,025,594.86

Finding the Fourth Proportional to 18,875,849, 28,313,789.46 and 9,025,594.86

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Solution

The fourth proportional to 18,875,849, 28,313,789.46 and 9,025,594.86 is: 13,538,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,849 : 28,313,789.46 = 9,025,594.86 : x
  2. Step 2: Convert to fraction form
    18,875,849/28,313,789.46 = 9,025,594.86/x
  3. Step 3: Cross multiply
    18,875,849x = 28,313,789.46 × 9,025,594.86
  4. Step 4: Simplify right side
    18,875,849x = 255,548,792,617,298.16
  5. Step 5: Solve for x
    x = 255,548,792,617,298.16/18,875,849
  6. Step 6: Final answer
    x = 13,538,399.92

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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.