Home / 13,690,679.42-18,892,389.11-7,494,527.46

Finding the Fourth Proportional to 13,690,679.42, 18,892,389.11 and 7,494,527.46

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Solution

The fourth proportional to 13,690,679.42, 18,892,389.11 and 7,494,527.46 is: 10,342,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,679.42 : 18,892,389.11 = 7,494,527.46 : x
  2. Step 2: Convert to fraction form
    13,690,679.42/18,892,389.11 = 7,494,527.46/x
  3. Step 3: Cross multiply
    13,690,679.42x = 18,892,389.11 × 7,494,527.46
  4. Step 4: Simplify right side
    13,690,679.42x = 141,589,528,882,662.97
  5. Step 5: Solve for x
    x = 141,589,528,882,662.97/13,690,679.42
  6. Step 6: Final answer
    x = 10,342,038.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.