Home / 14,756,578.64-20,364,105.69-8,230,628.72

Finding the Fourth Proportional to 14,756,578.64, 20,364,105.69 and 8,230,628.72

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Solution

The fourth proportional to 14,756,578.64, 20,364,105.69 and 8,230,628.72 is: 11,358,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756,578.64 : 20,364,105.69 = 8,230,628.72 : x
  2. Step 2: Convert to fraction form
    14,756,578.64/20,364,105.69 = 8,230,628.72/x
  3. Step 3: Cross multiply
    14,756,578.64x = 20,364,105.69 × 8,230,628.72
  4. Step 4: Simplify right side
    14,756,578.64x = 167,609,393,200,139.69
  5. Step 5: Solve for x
    x = 167,609,393,200,139.69/14,756,578.64
  6. Step 6: Final answer
    x = 11,358,282.79

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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.