Home / 18,875,848-28,313,787.96-9,025,593.86

Finding the Fourth Proportional to 18,875,848, 28,313,787.96 and 9,025,593.86

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Solution

The fourth proportional to 18,875,848, 28,313,787.96 and 9,025,593.86 is: 13,538,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,848 : 28,313,787.96 = 9,025,593.86 : x
  2. Step 2: Convert to fraction form
    18,875,848/28,313,787.96 = 9,025,593.86/x
  3. Step 3: Cross multiply
    18,875,848x = 28,313,787.96 × 9,025,593.86
  4. Step 4: Simplify right side
    18,875,848x = 255,548,750,765,117.91
  5. Step 5: Solve for x
    x = 255,548,750,765,117.91/18,875,848
  6. Step 6: Final answer
    x = 13,538,398.42

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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.