Home / 12,218,682.26-18,327,783.72-4,931,948.18

Finding the Fourth Proportional to 12,218,682.26, 18,327,783.72 and 4,931,948.18

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Solution

The fourth proportional to 12,218,682.26, 18,327,783.72 and 4,931,948.18 is: 7,397,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,682.26 : 18,327,783.72 = 4,931,948.18 : x
  2. Step 2: Convert to fraction form
    12,218,682.26/18,327,783.72 = 4,931,948.18/x
  3. Step 3: Cross multiply
    12,218,682.26x = 18,327,783.72 × 4,931,948.18
  4. Step 4: Simplify right side
    12,218,682.26x = 90,391,679,548,957.77
  5. Step 5: Solve for x
    x = 90,391,679,548,957.77/12,218,682.26
  6. Step 6: Final answer
    x = 7,397,825.53

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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.