Home / 13,473,690.28-20,213,487.87-6,653,530.78

Finding the Fourth Proportional to 13,473,690.28, 20,213,487.87 and 6,653,530.78

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Solution

The fourth proportional to 13,473,690.28, 20,213,487.87 and 6,653,530.78 is: 9,981,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473,690.28 : 20,213,487.87 = 6,653,530.78 : x
  2. Step 2: Convert to fraction form
    13,473,690.28/20,213,487.87 = 6,653,530.78/x
  3. Step 3: Cross multiply
    13,473,690.28x = 20,213,487.87 × 6,653,530.78
  4. Step 4: Simplify right side
    13,473,690.28x = 134,491,063,579,866.55
  5. Step 5: Solve for x
    x = 134,491,063,579,866.55/13,473,690.28
  6. Step 6: Final answer
    x = 9,981,754.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.