Home / 12,135,538.40-16,747,042.32-6,553,784.43

Finding the Fourth Proportional to 12,135,538.40, 16,747,042.32 and 6,553,784.43

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Solution

The fourth proportional to 12,135,538.40, 16,747,042.32 and 6,553,784.43 is: 9,044,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,538.40 : 16,747,042.32 = 6,553,784.43 : x
  2. Step 2: Convert to fraction form
    12,135,538.40/16,747,042.32 = 6,553,784.43/x
  3. Step 3: Cross multiply
    12,135,538.40x = 16,747,042.32 × 6,553,784.43
  4. Step 4: Simplify right side
    12,135,538.40x = 109,756,505,205,367.08
  5. Step 5: Solve for x
    x = 109,756,505,205,367.08/12,135,538.40
  6. Step 6: Final answer
    x = 9,044,222.15

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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.