Home / 10,002,792.20-13,803,867.32-5,419,113.57

Finding the Fourth Proportional to 10,002,792.20, 13,803,867.32 and 5,419,113.57

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Solution

The fourth proportional to 10,002,792.20, 13,803,867.32 and 5,419,113.57 is: 7,478,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,792.20 : 13,803,867.32 = 5,419,113.57 : x
  2. Step 2: Convert to fraction form
    10,002,792.20/13,803,867.32 = 5,419,113.57/x
  3. Step 3: Cross multiply
    10,002,792.20x = 13,803,867.32 × 5,419,113.57
  4. Step 4: Simplify right side
    10,002,792.20x = 74,804,724,685,195.97
  5. Step 5: Solve for x
    x = 74,804,724,685,195.97/10,002,792.20
  6. Step 6: Final answer
    x = 7,478,384.36

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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.