Home / 10,639,452.47-15,961,420.38-3,450,425.81

Finding the Fourth Proportional to 10,639,452.47, 15,961,420.38 and 3,450,425.81

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Solution

The fourth proportional to 10,639,452.47, 15,961,420.38 and 3,450,425.81 is: 5,176,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,452.47 : 15,961,420.38 = 3,450,425.81 : x
  2. Step 2: Convert to fraction form
    10,639,452.47/15,961,420.38 = 3,450,425.81/x
  3. Step 3: Cross multiply
    10,639,452.47x = 15,961,420.38 × 3,450,425.81
  4. Step 4: Simplify right side
    10,639,452.47x = 55,073,696,843,412.01
  5. Step 5: Solve for x
    x = 55,073,696,843,412.01/10,639,452.47
  6. Step 6: Final answer
    x = 5,176,365.70

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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.