Home / 12,588,540.43-18,882,748.34-10,877,476.89

Finding the Fourth Proportional to 12,588,540.43, 18,882,748.34 and 10,877,476.89

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Solution

The fourth proportional to 12,588,540.43, 18,882,748.34 and 10,877,476.89 is: 16,316,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,540.43 : 18,882,748.34 = 10,877,476.89 : x
  2. Step 2: Convert to fraction form
    12,588,540.43/18,882,748.34 = 10,877,476.89/x
  3. Step 3: Cross multiply
    12,588,540.43x = 18,882,748.34 × 10,877,476.89
  4. Step 4: Simplify right side
    12,588,540.43x = 205,396,658,688,035.88
  5. Step 5: Solve for x
    x = 205,396,658,688,035.88/12,588,540.43
  6. Step 6: Final answer
    x = 16,316,161.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.