Home / 13,203,997.20-19,805,995.80-9,172,918.80

Finding the Fourth Proportional to 13,203,997.20, 19,805,995.80 and 9,172,918.80

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Solution

The fourth proportional to 13,203,997.20, 19,805,995.80 and 9,172,918.80 is: 13,759,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,997.20 : 19,805,995.80 = 9,172,918.80 : x
  2. Step 2: Convert to fraction form
    13,203,997.20/19,805,995.80 = 9,172,918.80/x
  3. Step 3: Cross multiply
    13,203,997.20x = 19,805,995.80 × 9,172,918.80
  4. Step 4: Simplify right side
    13,203,997.20x = 181,678,791,226,541.06
  5. Step 5: Solve for x
    x = 181,678,791,226,541.06/13,203,997.20
  6. Step 6: Final answer
    x = 13,759,378.20

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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.