Home / 9,128,861.32-12,598,222.26-5,054,480.68

Finding the Fourth Proportional to 9,128,861.32, 12,598,222.26 and 5,054,480.68

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Solution

The fourth proportional to 9,128,861.32, 12,598,222.26 and 5,054,480.68 is: 6,975,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,861.32 : 12,598,222.26 = 5,054,480.68 : x
  2. Step 2: Convert to fraction form
    9,128,861.32/12,598,222.26 = 5,054,480.68/x
  3. Step 3: Cross multiply
    9,128,861.32x = 12,598,222.26 × 5,054,480.68
  4. Step 4: Simplify right side
    9,128,861.32x = 63,677,471,015,515.93
  5. Step 5: Solve for x
    x = 63,677,471,015,515.93/9,128,861.32
  6. Step 6: Final answer
    x = 6,975,401.29

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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.