Home / 7,242,806.22-9,995,681.56-3,980,272.44

Finding the Fourth Proportional to 7,242,806.22, 9,995,681.56 and 3,980,272.44

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Solution

The fourth proportional to 7,242,806.22, 9,995,681.56 and 3,980,272.44 is: 5,493,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,806.22 : 9,995,681.56 = 3,980,272.44 : x
  2. Step 2: Convert to fraction form
    7,242,806.22/9,995,681.56 = 3,980,272.44/x
  3. Step 3: Cross multiply
    7,242,806.22x = 9,995,681.56 × 3,980,272.44
  4. Step 4: Simplify right side
    7,242,806.22x = 39,785,535,832,284.21
  5. Step 5: Solve for x
    x = 39,785,535,832,284.21/7,242,806.22
  6. Step 6: Final answer
    x = 5,493,110.63

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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.