Home / 18,812,012.78-25,960,524.56-10,440,646.50

Finding the Fourth Proportional to 18,812,012.78, 25,960,524.56 and 10,440,646.50

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Solution

The fourth proportional to 18,812,012.78, 25,960,524.56 and 10,440,646.50 is: 14,408,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,012.78 : 25,960,524.56 = 10,440,646.50 : x
  2. Step 2: Convert to fraction form
    18,812,012.78/25,960,524.56 = 10,440,646.50/x
  3. Step 3: Cross multiply
    18,812,012.78x = 25,960,524.56 × 10,440,646.50
  4. Step 4: Simplify right side
    18,812,012.78x = 271,044,659,885,528.03
  5. Step 5: Solve for x
    x = 271,044,659,885,528.03/18,812,012.78
  6. Step 6: Final answer
    x = 14,408,062.71

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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.