Home / 10,448,140.12-15,665,055.33-5,320,644.49

Finding the Fourth Proportional to 10,448,140.12, 15,665,055.33 and 5,320,644.49

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Solution

The fourth proportional to 10,448,140.12, 15,665,055.33 and 5,320,644.49 is: 7,977,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448,140.12 : 15,665,055.33 = 5,320,644.49 : x
  2. Step 2: Convert to fraction form
    10,448,140.12/15,665,055.33 = 5,320,644.49/x
  3. Step 3: Cross multiply
    10,448,140.12x = 15,665,055.33 × 5,320,644.49
  4. Step 4: Simplify right side
    10,448,140.12x = 83,348,190,327,109.64
  5. Step 5: Solve for x
    x = 83,348,190,327,109.64/10,448,140.12
  6. Step 6: Final answer
    x = 7,977,323.18

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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.