Home / 17,870,374.87-26,786,899.90-8,759,857.75

Finding the Fourth Proportional to 17,870,374.87, 26,786,899.90 and 8,759,857.75

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Solution

The fourth proportional to 17,870,374.87, 26,786,899.90 and 8,759,857.75 is: 13,130,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870,374.87 : 26,786,899.90 = 8,759,857.75 : x
  2. Step 2: Convert to fraction form
    17,870,374.87/26,786,899.90 = 8,759,857.75/x
  3. Step 3: Cross multiply
    17,870,374.87x = 26,786,899.90 × 8,759,857.75
  4. Step 4: Simplify right side
    17,870,374.87x = 234,649,432,687,489.22
  5. Step 5: Solve for x
    x = 234,649,432,687,489.22/17,870,374.87
  6. Step 6: Final answer
    x = 13,130,638.52

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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.