Home / 20,151,739.26-30,209,712.37-7,852,853.61

Finding the Fourth Proportional to 20,151,739.26, 30,209,712.37 and 7,852,853.61

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Solution

The fourth proportional to 20,151,739.26, 30,209,712.37 and 7,852,853.61 is: 11,772,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,739.26 : 30,209,712.37 = 7,852,853.61 : x
  2. Step 2: Convert to fraction form
    20,151,739.26/30,209,712.37 = 7,852,853.61/x
  3. Step 3: Cross multiply
    20,151,739.26x = 30,209,712.37 × 7,852,853.61
  4. Step 4: Simplify right side
    20,151,739.26x = 237,232,448,822,184.03
  5. Step 5: Solve for x
    x = 237,232,448,822,184.03/20,151,739.26
  6. Step 6: Final answer
    x = 11,772,306.39

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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.