Home / 13,603,151.20-18,772,224.24-7,491,448.48

Finding the Fourth Proportional to 13,603,151.20, 18,772,224.24 and 7,491,448.48

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Solution

The fourth proportional to 13,603,151.20, 18,772,224.24 and 7,491,448.48 is: 10,338,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,151.20 : 18,772,224.24 = 7,491,448.48 : x
  2. Step 2: Convert to fraction form
    13,603,151.20/18,772,224.24 = 7,491,448.48/x
  3. Step 3: Cross multiply
    13,603,151.20x = 18,772,224.24 × 7,491,448.48
  4. Step 4: Simplify right side
    13,603,151.20x = 140,631,150,748,967.16
  5. Step 5: Solve for x
    x = 140,631,150,748,967.16/13,603,151.20
  6. Step 6: Final answer
    x = 10,338,130.38

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Double scale
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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.