Home / 7,163,500.76-9,885,538.26-3,900,278.12

Finding the Fourth Proportional to 7,163,500.76, 9,885,538.26 and 3,900,278.12

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Solution

The fourth proportional to 7,163,500.76, 9,885,538.26 and 3,900,278.12 is: 5,382,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,500.76 : 9,885,538.26 = 3,900,278.12 : x
  2. Step 2: Convert to fraction form
    7,163,500.76/9,885,538.26 = 3,900,278.12/x
  3. Step 3: Cross multiply
    7,163,500.76x = 9,885,538.26 × 3,900,278.12
  4. Step 4: Simplify right side
    7,163,500.76x = 38,556,348,579,900.88
  5. Step 5: Solve for x
    x = 38,556,348,579,900.88/7,163,500.76
  6. Step 6: Final answer
    x = 5,382,333.29

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Double scale
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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.