Home / 8,215,663.14-12,323,775.78-2,824,267.50

Finding the Fourth Proportional to 8,215,663.14, 12,323,775.78 and 2,824,267.50

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Solution

The fourth proportional to 8,215,663.14, 12,323,775.78 and 2,824,267.50 is: 4,236,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,663.14 : 12,323,775.78 = 2,824,267.50 : x
  2. Step 2: Convert to fraction form
    8,215,663.14/12,323,775.78 = 2,824,267.50/x
  3. Step 3: Cross multiply
    8,215,663.14x = 12,323,775.78 × 2,824,267.50
  4. Step 4: Simplify right side
    8,215,663.14x = 34,805,639,412,741.15
  5. Step 5: Solve for x
    x = 34,805,639,412,741.15/8,215,663.14
  6. Step 6: Final answer
    x = 4,236,497.87

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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.