Home / 18,812,011.78-25,960,523.18-10,440,645.50

Finding the Fourth Proportional to 18,812,011.78, 25,960,523.18 and 10,440,645.50

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Solution

The fourth proportional to 18,812,011.78, 25,960,523.18 and 10,440,645.50 is: 14,408,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,011.78 : 25,960,523.18 = 10,440,645.50 : x
  2. Step 2: Convert to fraction form
    18,812,011.78/25,960,523.18 = 10,440,645.50/x
  3. Step 3: Cross multiply
    18,812,011.78x = 25,960,523.18 × 10,440,645.50
  4. Step 4: Simplify right side
    18,812,011.78x = 271,044,619,607,915.59
  5. Step 5: Solve for x
    x = 271,044,619,607,915.59/18,812,011.78
  6. Step 6: Final answer
    x = 14,408,061.34

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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.