Home / 13,690,679.56-18,892,389.30-7,494,527.61

Finding the Fourth Proportional to 13,690,679.56, 18,892,389.30 and 7,494,527.61

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Solution

The fourth proportional to 13,690,679.56, 18,892,389.30 and 7,494,527.61 is: 10,342,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,679.56 : 18,892,389.30 = 7,494,527.61 : x
  2. Step 2: Convert to fraction form
    13,690,679.56/18,892,389.30 = 7,494,527.61/x
  3. Step 3: Cross multiply
    13,690,679.56x = 18,892,389.30 × 7,494,527.61
  4. Step 4: Simplify right side
    13,690,679.56x = 141,589,533,227,718.59
  5. Step 5: Solve for x
    x = 141,589,533,227,718.59/13,690,679.56
  6. Step 6: Final answer
    x = 10,342,038.36

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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.