Home / 8,178,745.86-11,287,113.14-4,694,056.78

Finding the Fourth Proportional to 8,178,745.86, 11,287,113.14 and 4,694,056.78

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Solution

The fourth proportional to 8,178,745.86, 11,287,113.14 and 4,694,056.78 is: 6,478,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,745.86 : 11,287,113.14 = 4,694,056.78 : x
  2. Step 2: Convert to fraction form
    8,178,745.86/11,287,113.14 = 4,694,056.78/x
  3. Step 3: Cross multiply
    8,178,745.86x = 11,287,113.14 × 4,694,056.78
  4. Step 4: Simplify right side
    8,178,745.86x = 52,982,349,916,743.67
  5. Step 5: Solve for x
    x = 52,982,349,916,743.67/8,178,745.86
  6. Step 6: Final answer
    x = 6,478,053.10

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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.