Home / 10,726,694.40-16,090,819.20-6,457,670.40

Finding the Fourth Proportional to 10,726,694.40, 16,090,819.20 and 6,457,670.40

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Solution

The fourth proportional to 10,726,694.40, 16,090,819.20 and 6,457,670.40 is: 9,686,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726,694.40 : 16,090,819.20 = 6,457,670.40 : x
  2. Step 2: Convert to fraction form
    10,726,694.40/16,090,819.20 = 6,457,670.40/x
  3. Step 3: Cross multiply
    10,726,694.40x = 16,090,819.20 × 6,457,670.40
  4. Step 4: Simplify right side
    10,726,694.40x = 103,909,206,859,591.69
  5. Step 5: Solve for x
    x = 103,909,206,859,591.69/10,726,694.40
  6. Step 6: Final answer
    x = 9,686,973.73

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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.