Home / 10,608,286.80-15,875,105.40-9,712,491.60

Finding the Fourth Proportional to 10,608,286.80, 15,875,105.40 and 9,712,491.60

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Solution

The fourth proportional to 10,608,286.80, 15,875,105.40 and 9,712,491.60 is: 14,534,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608,286.80 : 15,875,105.40 = 9,712,491.60 : x
  2. Step 2: Convert to fraction form
    10,608,286.80/15,875,105.40 = 9,712,491.60/x
  3. Step 3: Cross multiply
    10,608,286.80x = 15,875,105.40 × 9,712,491.60
  4. Step 4: Simplify right side
    10,608,286.80x = 154,186,827,846,614.62
  5. Step 5: Solve for x
    x = 154,186,827,846,614.62/10,608,286.80
  6. Step 6: Final answer
    x = 14,534,564.42

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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.