Home / 8,809,659.40-13,214,489.10-7,885,870.60

Finding the Fourth Proportional to 8,809,659.40, 13,214,489.10 and 7,885,870.60

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Solution

The fourth proportional to 8,809,659.40, 13,214,489.10 and 7,885,870.60 is: 11,828,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,659.40 : 13,214,489.10 = 7,885,870.60 : x
  2. Step 2: Convert to fraction form
    8,809,659.40/13,214,489.10 = 7,885,870.60/x
  3. Step 3: Cross multiply
    8,809,659.40x = 13,214,489.10 × 7,885,870.60
  4. Step 4: Simplify right side
    8,809,659.40x = 104,207,751,087,710.45
  5. Step 5: Solve for x
    x = 104,207,751,087,710.45/8,809,659.40
  6. Step 6: Final answer
    x = 11,828,805.90

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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.