Home / 18,125,018.26-25,010,640.23-10,282,031.66

Finding the Fourth Proportional to 18,125,018.26, 25,010,640.23 and 10,282,031.66

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Solution

The fourth proportional to 18,125,018.26, 25,010,640.23 and 10,282,031.66 is: 14,188,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,018.26 : 25,010,640.23 = 10,282,031.66 : x
  2. Step 2: Convert to fraction form
    18,125,018.26/25,010,640.23 = 10,282,031.66/x
  3. Step 3: Cross multiply
    18,125,018.26x = 25,010,640.23 × 10,282,031.66
  4. Step 4: Simplify right side
    18,125,018.26x = 257,160,194,692,846.12
  5. Step 5: Solve for x
    x = 257,160,194,692,846.12/18,125,018.26
  6. Step 6: Final answer
    x = 14,188,134.38

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1.5x scale

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.