Home / 18,565,521.23-27,848,281.85-4,920,773.55

Finding the Fourth Proportional to 18,565,521.23, 27,848,281.85 and 4,920,773.55

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Solution

The fourth proportional to 18,565,521.23, 27,848,281.85 and 4,920,773.55 is: 7,381,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565,521.23 : 27,848,281.85 = 4,920,773.55 : x
  2. Step 2: Convert to fraction form
    18,565,521.23/27,848,281.85 = 4,920,773.55/x
  3. Step 3: Cross multiply
    18,565,521.23x = 27,848,281.85 × 4,920,773.55
  4. Step 4: Simplify right side
    18,565,521.23x = 137,035,088,715,821.19
  5. Step 5: Solve for x
    x = 137,035,088,715,821.19/18,565,521.23
  6. Step 6: Final answer
    x = 7,381,160.33

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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.