Home / 20,582,006.80-30,873,010.20-5,435,938.30

Finding the Fourth Proportional to 20,582,006.80, 30,873,010.20 and 5,435,938.30

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Solution

The fourth proportional to 20,582,006.80, 30,873,010.20 and 5,435,938.30 is: 8,153,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,006.80 : 30,873,010.20 = 5,435,938.30 : x
  2. Step 2: Convert to fraction form
    20,582,006.80/30,873,010.20 = 5,435,938.30/x
  3. Step 3: Cross multiply
    20,582,006.80x = 30,873,010.20 × 5,435,938.30
  4. Step 4: Simplify right side
    20,582,006.80x = 167,823,778,582,470.66
  5. Step 5: Solve for x
    x = 167,823,778,582,470.66/20,582,006.80
  6. Step 6: Final answer
    x = 8,153,907.45

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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.