Home / 5,156,649.07-7,111,297.87-3,387,423.78

Finding the Fourth Proportional to 5,156,649.07, 7,111,297.87 and 3,387,423.78

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Solution

The fourth proportional to 5,156,649.07, 7,111,297.87 and 3,387,423.78 is: 4,671,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,649.07 : 7,111,297.87 = 3,387,423.78 : x
  2. Step 2: Convert to fraction form
    5,156,649.07/7,111,297.87 = 3,387,423.78/x
  3. Step 3: Cross multiply
    5,156,649.07x = 7,111,297.87 × 3,387,423.78
  4. Step 4: Simplify right side
    5,156,649.07x = 24,088,979,503,032.79
  5. Step 5: Solve for x
    x = 24,088,979,503,032.79/5,156,649.07
  6. Step 6: Final answer
    x = 4,671,440.54

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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.