Home / 12,463,378.40-18,696,013.20-3,365,343.57

Finding the Fourth Proportional to 12,463,378.40, 18,696,013.20 and 3,365,343.57

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Solution

The fourth proportional to 12,463,378.40, 18,696,013.20 and 3,365,343.57 is: 5,048,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,378.40 : 18,696,013.20 = 3,365,343.57 : x
  2. Step 2: Convert to fraction form
    12,463,378.40/18,696,013.20 = 3,365,343.57/x
  3. Step 3: Cross multiply
    12,463,378.40x = 18,696,013.20 × 3,365,343.57
  4. Step 4: Simplify right side
    12,463,378.40x = 62,918,507,807,255.12
  5. Step 5: Solve for x
    x = 62,918,507,807,255.12/12,463,378.40
  6. Step 6: Final answer
    x = 5,048,270.69

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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.