Home / 15,401,314.35-21,247,142.00-9,286,345.71

Finding the Fourth Proportional to 15,401,314.35, 21,247,142.00 and 9,286,345.71

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Solution

The fourth proportional to 15,401,314.35, 21,247,142.00 and 9,286,345.71 is: 12,811,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,314.35 : 21,247,142.00 = 9,286,345.71 : x
  2. Step 2: Convert to fraction form
    15,401,314.35/21,247,142.00 = 9,286,345.71/x
  3. Step 3: Cross multiply
    15,401,314.35x = 21,247,142.00 × 9,286,345.71
  4. Step 4: Simplify right side
    15,401,314.35x = 197,308,305,915,029.12
  5. Step 5: Solve for x
    x = 197,308,305,915,029.12/15,401,314.35
  6. Step 6: Final answer
    x = 12,811,134.26

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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.