Home / 15,401,315.35-21,247,143.37-9,286,346.71

Finding the Fourth Proportional to 15,401,315.35, 21,247,143.37 and 9,286,346.71

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Solution

The fourth proportional to 15,401,315.35, 21,247,143.37 and 9,286,346.71 is: 12,811,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,315.35 : 21,247,143.37 = 9,286,346.71 : x
  2. Step 2: Convert to fraction form
    15,401,315.35/21,247,143.37 = 9,286,346.71/x
  3. Step 3: Cross multiply
    15,401,315.35x = 21,247,143.37 × 9,286,346.71
  4. Step 4: Simplify right side
    15,401,315.35x = 197,308,339,930,897.84
  5. Step 5: Solve for x
    x = 197,308,339,930,897.84/15,401,315.35
  6. Step 6: Final answer
    x = 12,811,135.64

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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.