Home / 18,689,921.36-25,787,217.48-10,950,805.52

Finding the Fourth Proportional to 18,689,921.36, 25,787,217.48 and 10,950,805.52

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Solution

The fourth proportional to 18,689,921.36, 25,787,217.48 and 10,950,805.52 is: 15,109,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,921.36 : 25,787,217.48 = 10,950,805.52 : x
  2. Step 2: Convert to fraction form
    18,689,921.36/25,787,217.48 = 10,950,805.52/x
  3. Step 3: Cross multiply
    18,689,921.36x = 25,787,217.48 × 10,950,805.52
  4. Step 4: Simplify right side
    18,689,921.36x = 282,390,803,525,424.50
  5. Step 5: Solve for x
    x = 282,390,803,525,424.50/18,689,921.36
  6. Step 6: Final answer
    x = 15,109,255.84

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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.