Home / 9,431,144.50-13,014,979.55-5,138,792.50

Finding the Fourth Proportional to 9,431,144.50, 13,014,979.55 and 5,138,792.50

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Solution

The fourth proportional to 9,431,144.50, 13,014,979.55 and 5,138,792.50 is: 7,091,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,144.50 : 13,014,979.55 = 5,138,792.50 : x
  2. Step 2: Convert to fraction form
    9,431,144.50/13,014,979.55 = 5,138,792.50/x
  3. Step 3: Cross multiply
    9,431,144.50x = 13,014,979.55 × 5,138,792.50
  4. Step 4: Simplify right side
    9,431,144.50x = 66,881,279,299,193.38
  5. Step 5: Solve for x
    x = 66,881,279,299,193.38/9,431,144.50
  6. Step 6: Final answer
    x = 7,091,533.73

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1.5x scale

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.