Home / 10,365,568.74-15,548,353.11-5,313,657.06

Finding the Fourth Proportional to 10,365,568.74, 15,548,353.11 and 5,313,657.06

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Solution

The fourth proportional to 10,365,568.74, 15,548,353.11 and 5,313,657.06 is: 7,970,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,568.74 : 15,548,353.11 = 5,313,657.06 : x
  2. Step 2: Convert to fraction form
    10,365,568.74/15,548,353.11 = 5,313,657.06/x
  3. Step 3: Cross multiply
    10,365,568.74x = 15,548,353.11 × 5,313,657.06
  4. Step 4: Simplify right side
    10,365,568.74x = 82,618,616,274,324.45
  5. Step 5: Solve for x
    x = 82,618,616,274,324.45/10,365,568.74
  6. Step 6: Final answer
    x = 7,970,485.59

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1.5x scale

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.