Home / 6,751,530.72-9,316,287.36-5,378,371.20

Finding the Fourth Proportional to 6,751,530.72, 9,316,287.36 and 5,378,371.20

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Solution

The fourth proportional to 6,751,530.72, 9,316,287.36 and 5,378,371.20 is: 7,421,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751,530.72 : 9,316,287.36 = 5,378,371.20 : x
  2. Step 2: Convert to fraction form
    6,751,530.72/9,316,287.36 = 5,378,371.20/x
  3. Step 3: Cross multiply
    6,751,530.72x = 9,316,287.36 × 5,378,371.20
  4. Step 4: Simplify right side
    6,751,530.72x = 50,106,451,627,948.03
  5. Step 5: Solve for x
    x = 50,106,451,627,948.03/6,751,530.72
  6. Step 6: Final answer
    x = 7,421,495.02

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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.