Home / 9,108,826.46-12,570,169.86-4,978,884.72

Finding the Fourth Proportional to 9,108,826.46, 12,570,169.86 and 4,978,884.72

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Solution

The fourth proportional to 9,108,826.46, 12,570,169.86 and 4,978,884.72 is: 6,870,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,826.46 : 12,570,169.86 = 4,978,884.72 : x
  2. Step 2: Convert to fraction form
    9,108,826.46/12,570,169.86 = 4,978,884.72/x
  3. Step 3: Cross multiply
    9,108,826.46x = 12,570,169.86 × 4,978,884.72
  4. Step 4: Simplify right side
    9,108,826.46x = 62,585,426,675,183.96
  5. Step 5: Solve for x
    x = 62,585,426,675,183.96/9,108,826.46
  6. Step 6: Final answer
    x = 6,870,855.10

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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.