Home / 12,476,927.70-18,714,009.15-10,229,145.30

Finding the Fourth Proportional to 12,476,927.70, 18,714,009.15 and 10,229,145.30

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Solution

The fourth proportional to 12,476,927.70, 18,714,009.15 and 10,229,145.30 is: 15,342,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,927.70 : 18,714,009.15 = 10,229,145.30 : x
  2. Step 2: Convert to fraction form
    12,476,927.70/18,714,009.15 = 10,229,145.30/x
  3. Step 3: Cross multiply
    12,476,927.70x = 18,714,009.15 × 10,229,145.30
  4. Step 4: Simplify right side
    12,476,927.70x = 191,428,318,740,879.50
  5. Step 5: Solve for x
    x = 191,428,318,740,879.50/12,476,927.70
  6. Step 6: Final answer
    x = 15,342,584.60

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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.