Home / 11,494,142.80-15,845,435.87-9,042,495.85

Finding the Fourth Proportional to 11,494,142.80, 15,845,435.87 and 9,042,495.85

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Solution

The fourth proportional to 11,494,142.80, 15,845,435.87 and 9,042,495.85 is: 12,465,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494,142.80 : 15,845,435.87 = 9,042,495.85 : x
  2. Step 2: Convert to fraction form
    11,494,142.80/15,845,435.87 = 9,042,495.85/x
  3. Step 3: Cross multiply
    11,494,142.80x = 15,845,435.87 × 9,042,495.85
  4. Step 4: Simplify right side
    11,494,142.80x = 143,282,288,070,510.47
  5. Step 5: Solve for x
    x = 143,282,288,070,510.47/11,494,142.80
  6. Step 6: Final answer
    x = 12,465,678.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.