Home / 10,869,992.78-15,000,776.37-5,975,421.17

Finding the Fourth Proportional to 10,869,992.78, 15,000,776.37 and 5,975,421.17

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Solution

The fourth proportional to 10,869,992.78, 15,000,776.37 and 5,975,421.17 is: 8,246,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869,992.78 : 15,000,776.37 = 5,975,421.17 : x
  2. Step 2: Convert to fraction form
    10,869,992.78/15,000,776.37 = 5,975,421.17/x
  3. Step 3: Cross multiply
    10,869,992.78x = 15,000,776.37 × 5,975,421.17
  4. Step 4: Simplify right side
    10,869,992.78x = 89,635,956,612,729.86
  5. Step 5: Solve for x
    x = 89,635,956,612,729.86/10,869,992.78
  6. Step 6: Final answer
    x = 8,246,183.64

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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.