Home / 6,918,782.88-10,378,174.56-5,037,496.32

Finding the Fourth Proportional to 6,918,782.88, 10,378,174.56 and 5,037,496.32

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Solution

The fourth proportional to 6,918,782.88, 10,378,174.56 and 5,037,496.32 is: 7,556,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,782.88 : 10,378,174.56 = 5,037,496.32 : x
  2. Step 2: Convert to fraction form
    6,918,782.88/10,378,174.56 = 5,037,496.32/x
  3. Step 3: Cross multiply
    6,918,782.88x = 10,378,174.56 × 5,037,496.32
  4. Step 4: Simplify right side
    6,918,782.88x = 52,280,016,154,317.62
  5. Step 5: Solve for x
    x = 52,280,016,154,317.62/6,918,782.88
  6. Step 6: Final answer
    x = 7,556,244.65

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Double scale
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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.