Home / 9,171,949.10-13,757,923.65-5,190,637.10

Finding the Fourth Proportional to 9,171,949.10, 13,757,923.65 and 5,190,637.10

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Solution

The fourth proportional to 9,171,949.10, 13,757,923.65 and 5,190,637.10 is: 7,785,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,949.10 : 13,757,923.65 = 5,190,637.10 : x
  2. Step 2: Convert to fraction form
    9,171,949.10/13,757,923.65 = 5,190,637.10/x
  3. Step 3: Cross multiply
    9,171,949.10x = 13,757,923.65 × 5,190,637.10
  4. Step 4: Simplify right side
    9,171,949.10x = 71,412,388,916,657.41
  5. Step 5: Solve for x
    x = 71,412,388,916,657.41/9,171,949.10
  6. Step 6: Final answer
    x = 7,785,955.65

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Double scale
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Similar ratio
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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.