Home / 28,311,494.49-42,453,824.17-9,861,004.74

Finding the Fourth Proportional to 28,311,494.49, 42,453,824.17 and 9,861,004.74

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Solution

The fourth proportional to 28,311,494.49, 42,453,824.17 and 9,861,004.74 is: 14,786,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311,494.49 : 42,453,824.17 = 9,861,004.74 : x
  2. Step 2: Convert to fraction form
    28,311,494.49/42,453,824.17 = 9,861,004.74/x
  3. Step 3: Cross multiply
    28,311,494.49x = 42,453,824.17 × 9,861,004.74
  4. Step 4: Simplify right side
    28,311,494.49x = 418,637,361,285,732.56
  5. Step 5: Solve for x
    x = 418,637,361,285,732.56/28,311,494.49
  6. Step 6: Final answer
    x = 14,786,833.72

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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.