Home / 8,809,675.20-13,214,512.80-3,130,473.60

Finding the Fourth Proportional to 8,809,675.20, 13,214,512.80 and 3,130,473.60

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Solution

The fourth proportional to 8,809,675.20, 13,214,512.80 and 3,130,473.60 is: 4,695,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,675.20 : 13,214,512.80 = 3,130,473.60 : x
  2. Step 2: Convert to fraction form
    8,809,675.20/13,214,512.80 = 3,130,473.60/x
  3. Step 3: Cross multiply
    8,809,675.20x = 13,214,512.80 × 3,130,473.60
  4. Step 4: Simplify right side
    8,809,675.20x = 41,367,683,457,262.09
  5. Step 5: Solve for x
    x = 41,367,683,457,262.09/8,809,675.20
  6. Step 6: Final answer
    x = 4,695,710.40

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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.