Home / 8,312,721.92-12,458,059.68-4,269,046.40

Finding the Fourth Proportional to 8,312,721.92, 12,458,059.68 and 4,269,046.40

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Solution

The fourth proportional to 8,312,721.92, 12,458,059.68 and 4,269,046.40 is: 6,397,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,721.92 : 12,458,059.68 = 4,269,046.40 : x
  2. Step 2: Convert to fraction form
    8,312,721.92/12,458,059.68 = 4,269,046.40/x
  3. Step 3: Cross multiply
    8,312,721.92x = 12,458,059.68 × 4,269,046.40
  4. Step 4: Simplify right side
    8,312,721.92x = 53,184,034,827,889.16
  5. Step 5: Solve for x
    x = 53,184,034,827,889.16/8,312,721.92
  6. Step 6: Final answer
    x = 6,397,908.57

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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.