Home / 18,761,009.06-28,146,365.44-10,986,489.07

Finding the Fourth Proportional to 18,761,009.06, 28,146,365.44 and 10,986,489.07

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Solution

The fourth proportional to 18,761,009.06, 28,146,365.44 and 10,986,489.07 is: 16,482,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,009.06 : 28,146,365.44 = 10,986,489.07 : x
  2. Step 2: Convert to fraction form
    18,761,009.06/28,146,365.44 = 10,986,489.07/x
  3. Step 3: Cross multiply
    18,761,009.06x = 28,146,365.44 × 10,986,489.07
  4. Step 4: Simplify right side
    18,761,009.06x = 309,229,736,168,953.62
  5. Step 5: Solve for x
    x = 309,229,736,168,953.62/18,761,009.06
  6. Step 6: Final answer
    x = 16,482,574.85

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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.