Home / 18,390,823.27-25,378,025.63-10,948,090.48

Finding the Fourth Proportional to 18,390,823.27, 25,378,025.63 and 10,948,090.48

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Solution

The fourth proportional to 18,390,823.27, 25,378,025.63 and 10,948,090.48 is: 15,107,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,823.27 : 25,378,025.63 = 10,948,090.48 : x
  2. Step 2: Convert to fraction form
    18,390,823.27/25,378,025.63 = 10,948,090.48/x
  3. Step 3: Cross multiply
    18,390,823.27x = 25,378,025.63 × 10,948,090.48
  4. Step 4: Simplify right side
    18,390,823.27x = 277,840,920,682,813.47
  5. Step 5: Solve for x
    x = 277,840,920,682,813.47/18,390,823.27
  6. Step 6: Final answer
    x = 15,107,584.73

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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.