Home / 28,642,519.36-39,530,042.56-16,085,637.76

Finding the Fourth Proportional to 28,642,519.36, 39,530,042.56 and 16,085,637.76

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Solution

The fourth proportional to 28,642,519.36, 39,530,042.56 and 16,085,637.76 is: 22,200,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,519.36 : 39,530,042.56 = 16,085,637.76 : x
  2. Step 2: Convert to fraction form
    28,642,519.36/39,530,042.56 = 16,085,637.76/x
  3. Step 3: Cross multiply
    28,642,519.36x = 39,530,042.56 × 16,085,637.76
  4. Step 4: Simplify right side
    28,642,519.36x = 635,865,945,257,543.12
  5. Step 5: Solve for x
    x = 635,865,945,257,543.12/28,642,519.36
  6. Step 6: Final answer
    x = 22,200,070.37

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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.