Home / 18,565,520.73-27,848,281.10-4,920,773.05

Finding the Fourth Proportional to 18,565,520.73, 27,848,281.10 and 4,920,773.05

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Solution

The fourth proportional to 18,565,520.73, 27,848,281.10 and 4,920,773.05 is: 7,381,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565,520.73 : 27,848,281.10 = 4,920,773.05 : x
  2. Step 2: Convert to fraction form
    18,565,520.73/27,848,281.10 = 4,920,773.05/x
  3. Step 3: Cross multiply
    18,565,520.73x = 27,848,281.10 × 4,920,773.05
  4. Step 4: Simplify right side
    18,565,520.73x = 137,035,071,125,704.36
  5. Step 5: Solve for x
    x = 137,035,071,125,704.36/18,565,520.73
  6. Step 6: Final answer
    x = 7,381,159.58

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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.