Home / 12,090,645.04-16,683,819.60-6,861,990.28

Finding the Fourth Proportional to 12,090,645.04, 16,683,819.60 and 6,861,990.28

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Solution

The fourth proportional to 12,090,645.04, 16,683,819.60 and 6,861,990.28 is: 9,468,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,645.04 : 16,683,819.60 = 6,861,990.28 : x
  2. Step 2: Convert to fraction form
    12,090,645.04/16,683,819.60 = 6,861,990.28/x
  3. Step 3: Cross multiply
    12,090,645.04x = 16,683,819.60 × 6,861,990.28
  4. Step 4: Simplify right side
    12,090,645.04x = 114,484,207,928,473.48
  5. Step 5: Solve for x
    x = 114,484,207,928,473.48/12,090,645.04
  6. Step 6: Final answer
    x = 9,468,825.49

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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.