Home / 8,312,479.92-12,457,697.40-4,268,804.40

Finding the Fourth Proportional to 8,312,479.92, 12,457,697.40 and 4,268,804.40

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Solution

The fourth proportional to 8,312,479.92, 12,457,697.40 and 4,268,804.40 is: 6,397,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,479.92 : 12,457,697.40 = 4,268,804.40 : x
  2. Step 2: Convert to fraction form
    8,312,479.92/12,457,697.40 = 4,268,804.40/x
  3. Step 3: Cross multiply
    8,312,479.92x = 12,457,697.40 × 4,268,804.40
  4. Step 4: Simplify right side
    8,312,479.92x = 53,179,473,474,988.56
  5. Step 5: Solve for x
    x = 53,179,473,474,988.56/8,312,479.92
  6. Step 6: Final answer
    x = 6,397,546.10

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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.