Home / 7,884,572.40-11,820,297.60-3,339,111.60

Finding the Fourth Proportional to 7,884,572.40, 11,820,297.60 and 3,339,111.60

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Solution

The fourth proportional to 7,884,572.40, 11,820,297.60 and 3,339,111.60 is: 5,005,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,572.40 : 11,820,297.60 = 3,339,111.60 : x
  2. Step 2: Convert to fraction form
    7,884,572.40/11,820,297.60 = 3,339,111.60/x
  3. Step 3: Cross multiply
    7,884,572.40x = 11,820,297.60 × 3,339,111.60
  4. Step 4: Simplify right side
    7,884,572.40x = 39,469,292,831,612.16
  5. Step 5: Solve for x
    x = 39,469,292,831,612.16/7,884,572.40
  6. Step 6: Final answer
    x = 5,005,888.82

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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.