Home / 10,002,829.50-13,803,918.78-5,419,150.92

Finding the Fourth Proportional to 10,002,829.50, 13,803,918.78 and 5,419,150.92

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Solution

The fourth proportional to 10,002,829.50, 13,803,918.78 and 5,419,150.92 is: 7,478,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,829.50 : 13,803,918.78 = 5,419,150.92 : x
  2. Step 2: Convert to fraction form
    10,002,829.50/13,803,918.78 = 5,419,150.92/x
  3. Step 3: Cross multiply
    10,002,829.50x = 13,803,918.78 × 5,419,150.92
  4. Step 4: Simplify right side
    10,002,829.50x = 74,805,519,156,242.27
  5. Step 5: Solve for x
    x = 74,805,519,156,242.27/10,002,829.50
  6. Step 6: Final answer
    x = 7,478,435.89

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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.