Home / 11,868,212.40-17,802,318.60-8,041,837.20

Finding the Fourth Proportional to 11,868,212.40, 17,802,318.60 and 8,041,837.20

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Solution

The fourth proportional to 11,868,212.40, 17,802,318.60 and 8,041,837.20 is: 12,062,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,212.40 : 17,802,318.60 = 8,041,837.20 : x
  2. Step 2: Convert to fraction form
    11,868,212.40/17,802,318.60 = 8,041,837.20/x
  3. Step 3: Cross multiply
    11,868,212.40x = 17,802,318.60 × 8,041,837.20
  4. Step 4: Simplify right side
    11,868,212.40x = 143,163,347,963,731.94
  5. Step 5: Solve for x
    x = 143,163,347,963,731.94/11,868,212.40
  6. Step 6: Final answer
    x = 12,062,755.80

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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.