Home / 12,071,033.40-18,106,550.10-7,276,254.60

Finding the Fourth Proportional to 12,071,033.40, 18,106,550.10 and 7,276,254.60

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Solution

The fourth proportional to 12,071,033.40, 18,106,550.10 and 7,276,254.60 is: 10,914,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,033.40 : 18,106,550.10 = 7,276,254.60 : x
  2. Step 2: Convert to fraction form
    12,071,033.40/18,106,550.10 = 7,276,254.60/x
  3. Step 3: Cross multiply
    12,071,033.40x = 18,106,550.10 × 7,276,254.60
  4. Step 4: Simplify right side
    12,071,033.40x = 131,747,868,455,255.47
  5. Step 5: Solve for x
    x = 131,747,868,455,255.47/12,071,033.40
  6. Step 6: Final answer
    x = 10,914,381.90

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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.