Home / 11,458,740.90-17,187,861.65-5,390,108.86

Finding the Fourth Proportional to 11,458,740.90, 17,187,861.65 and 5,390,108.86

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Solution

The fourth proportional to 11,458,740.90, 17,187,861.65 and 5,390,108.86 is: 8,085,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,740.90 : 17,187,861.65 = 5,390,108.86 : x
  2. Step 2: Convert to fraction form
    11,458,740.90/17,187,861.65 = 5,390,108.86/x
  3. Step 3: Cross multiply
    11,458,740.90x = 17,187,861.65 × 5,390,108.86
  4. Step 4: Simplify right side
    11,458,740.90x = 92,644,445,364,119.22
  5. Step 5: Solve for x
    x = 92,644,445,364,119.22/11,458,740.90
  6. Step 6: Final answer
    x = 8,085,045.83

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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.