Home / 20,178,818.37-27,847,357.61-11,012,051.61

Finding the Fourth Proportional to 20,178,818.37, 27,847,357.61 and 11,012,051.61

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Solution

The fourth proportional to 20,178,818.37, 27,847,357.61 and 11,012,051.61 is: 15,196,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,818.37 : 27,847,357.61 = 11,012,051.61 : x
  2. Step 2: Convert to fraction form
    20,178,818.37/27,847,357.61 = 11,012,051.61/x
  3. Step 3: Cross multiply
    20,178,818.37x = 27,847,357.61 × 11,012,051.61
  4. Step 4: Simplify right side
    20,178,818.37x = 306,656,539,148,386
  5. Step 5: Solve for x
    x = 306,656,539,148,386/20,178,818.37
  6. Step 6: Final answer
    x = 15,196,952.25

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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.