Home / 5,012,217.12-6,916,866.30-2,720,378.10

Finding the Fourth Proportional to 5,012,217.12, 6,916,866.30 and 2,720,378.10

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Solution

The fourth proportional to 5,012,217.12, 6,916,866.30 and 2,720,378.10 is: 3,754,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012,217.12 : 6,916,866.30 = 2,720,378.10 : x
  2. Step 2: Convert to fraction form
    5,012,217.12/6,916,866.30 = 2,720,378.10/x
  3. Step 3: Cross multiply
    5,012,217.12x = 6,916,866.30 × 2,720,378.10
  4. Step 4: Simplify right side
    5,012,217.12x = 18,816,491,603,148.03
  5. Step 5: Solve for x
    x = 18,816,491,603,148.03/5,012,217.12
  6. Step 6: Final answer
    x = 3,754,125.40

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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.