Home / 13,612,502.88-18,786,164.22-7,500,931.38

Finding the Fourth Proportional to 13,612,502.88, 18,786,164.22 and 7,500,931.38

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Solution

The fourth proportional to 13,612,502.88, 18,786,164.22 and 7,500,931.38 is: 10,351,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,502.88 : 18,786,164.22 = 7,500,931.38 : x
  2. Step 2: Convert to fraction form
    13,612,502.88/18,786,164.22 = 7,500,931.38/x
  3. Step 3: Cross multiply
    13,612,502.88x = 18,786,164.22 × 7,500,931.38
  4. Step 4: Simplify right side
    13,612,502.88x = 140,913,728,707,631.22
  5. Step 5: Solve for x
    x = 140,913,728,707,631.22/13,612,502.88
  6. Step 6: Final answer
    x = 10,351,786.88

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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.