Home / 9,405,544.66-12,979,760.58-5,219,315.50

Finding the Fourth Proportional to 9,405,544.66, 12,979,760.58 and 5,219,315.50

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Solution

The fourth proportional to 9,405,544.66, 12,979,760.58 and 5,219,315.50 is: 7,202,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,544.66 : 12,979,760.58 = 5,219,315.50 : x
  2. Step 2: Convert to fraction form
    9,405,544.66/12,979,760.58 = 5,219,315.50/x
  3. Step 3: Cross multiply
    9,405,544.66x = 12,979,760.58 × 5,219,315.50
  4. Step 4: Simplify right side
    9,405,544.66x = 67,745,465,581,482.99
  5. Step 5: Solve for x
    x = 67,745,465,581,482.99/9,405,544.66
  6. Step 6: Final answer
    x = 7,202,715.85

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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.