Home / 8,215,688.92-12,323,814.42-2,824,293.28

Finding the Fourth Proportional to 8,215,688.92, 12,323,814.42 and 2,824,293.28

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Solution

The fourth proportional to 8,215,688.92, 12,323,814.42 and 2,824,293.28 is: 4,236,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,688.92 : 12,323,814.42 = 2,824,293.28 : x
  2. Step 2: Convert to fraction form
    8,215,688.92/12,323,814.42 = 2,824,293.28/x
  3. Step 3: Cross multiply
    8,215,688.92x = 12,323,814.42 × 2,824,293.28
  4. Step 4: Simplify right side
    8,215,688.92x = 34,806,066,250,373.09
  5. Step 5: Solve for x
    x = 34,806,066,250,373.09/8,215,688.92
  6. Step 6: Final answer
    x = 4,236,536.53

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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.