Home / 28,272,220.89-42,384,042.69-9,825,769.22

Finding the Fourth Proportional to 28,272,220.89, 42,384,042.69 and 9,825,769.22

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Solution

The fourth proportional to 28,272,220.89, 42,384,042.69 and 9,825,769.22 is: 14,730,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,220.89 : 42,384,042.69 = 9,825,769.22 : x
  2. Step 2: Convert to fraction form
    28,272,220.89/42,384,042.69 = 9,825,769.22/x
  3. Step 3: Cross multiply
    28,272,220.89x = 42,384,042.69 × 9,825,769.22
  4. Step 4: Simplify right side
    28,272,220.89x = 416,455,821,953,006.31
  5. Step 5: Solve for x
    x = 416,455,821,953,006.31/28,272,220.89
  6. Step 6: Final answer
    x = 14,730,212.51

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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.