Home / 18,522,757.55-25,547,011.61-12,647,117.79

Finding the Fourth Proportional to 18,522,757.55, 25,547,011.61 and 12,647,117.79

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Solution

The fourth proportional to 18,522,757.55, 25,547,011.61 and 12,647,117.79 is: 17,443,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,757.55 : 25,547,011.61 = 12,647,117.79 : x
  2. Step 2: Convert to fraction form
    18,522,757.55/25,547,011.61 = 12,647,117.79/x
  3. Step 3: Cross multiply
    18,522,757.55x = 25,547,011.61 × 12,647,117.79
  4. Step 4: Simplify right side
    18,522,757.55x = 323,096,064,950,931.94
  5. Step 5: Solve for x
    x = 323,096,064,950,931.94/18,522,757.55
  6. Step 6: Final answer
    x = 17,443,194.62

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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.