Home / 14,904,076.60-20,569,803.78-8,378,243.56

Finding the Fourth Proportional to 14,904,076.60, 20,569,803.78 and 8,378,243.56

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Solution

The fourth proportional to 14,904,076.60, 20,569,803.78 and 8,378,243.56 is: 11,563,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904,076.60 : 20,569,803.78 = 8,378,243.56 : x
  2. Step 2: Convert to fraction form
    14,904,076.60/20,569,803.78 = 8,378,243.56/x
  3. Step 3: Cross multiply
    14,904,076.60x = 20,569,803.78 × 8,378,243.56
  4. Step 4: Simplify right side
    14,904,076.60x = 172,338,826,050,248.66
  5. Step 5: Solve for x
    x = 172,338,826,050,248.66/14,904,076.60
  6. Step 6: Final answer
    x = 11,563,200.50

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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.