Home / 10,455,679.14-15,689,662.36-4,389,944.40

Finding the Fourth Proportional to 10,455,679.14, 15,689,662.36 and 4,389,944.40

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Solution

The fourth proportional to 10,455,679.14, 15,689,662.36 and 4,389,944.40 is: 6,587,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,679.14 : 15,689,662.36 = 4,389,944.40 : x
  2. Step 2: Convert to fraction form
    10,455,679.14/15,689,662.36 = 4,389,944.40/x
  3. Step 3: Cross multiply
    10,455,679.14x = 15,689,662.36 × 4,389,944.40
  4. Step 4: Simplify right side
    10,455,679.14x = 68,876,745,415,172.79
  5. Step 5: Solve for x
    x = 68,876,745,415,172.79/10,455,679.14
  6. Step 6: Final answer
    x = 6,587,496.09

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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.