Home / 21,366,155.64-32,081,251.14-18,496,374.24

Finding the Fourth Proportional to 21,366,155.64, 32,081,251.14 and 18,496,374.24

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Solution

The fourth proportional to 21,366,155.64, 32,081,251.14 and 18,496,374.24 is: 27,772,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,155.64 : 32,081,251.14 = 18,496,374.24 : x
  2. Step 2: Convert to fraction form
    21,366,155.64/32,081,251.14 = 18,496,374.24/x
  3. Step 3: Cross multiply
    21,366,155.64x = 32,081,251.14 × 18,496,374.24
  4. Step 4: Simplify right side
    21,366,155.64x = 593,386,827,172,866.62
  5. Step 5: Solve for x
    x = 593,386,827,172,866.62/21,366,155.64
  6. Step 6: Final answer
    x = 27,772,278.61

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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.