Home / 8,620,754.75-12,916,498.96-5,201,857.74

Finding the Fourth Proportional to 8,620,754.75, 12,916,498.96 and 5,201,857.74

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Solution

The fourth proportional to 8,620,754.75, 12,916,498.96 and 5,201,857.74 is: 7,793,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,754.75 : 12,916,498.96 = 5,201,857.74 : x
  2. Step 2: Convert to fraction form
    8,620,754.75/12,916,498.96 = 5,201,857.74/x
  3. Step 3: Cross multiply
    8,620,754.75x = 12,916,498.96 × 5,201,857.74
  4. Step 4: Simplify right side
    8,620,754.75x = 67,189,790,095,280.27
  5. Step 5: Solve for x
    x = 67,189,790,095,280.27/8,620,754.75
  6. Step 6: Final answer
    x = 7,793,956.80

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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.