Home / 12,476,957.20-18,714,053.40-10,229,174.80

Finding the Fourth Proportional to 12,476,957.20, 18,714,053.40 and 10,229,174.80

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Solution

The fourth proportional to 12,476,957.20, 18,714,053.40 and 10,229,174.80 is: 15,342,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,957.20 : 18,714,053.40 = 10,229,174.80 : x
  2. Step 2: Convert to fraction form
    12,476,957.20/18,714,053.40 = 10,229,174.80/x
  3. Step 3: Cross multiply
    12,476,957.20x = 18,714,053.40 × 10,229,174.80
  4. Step 4: Simplify right side
    12,476,957.20x = 191,429,323,445,134.31
  5. Step 5: Solve for x
    x = 191,429,323,445,134.31/12,476,957.20
  6. Step 6: Final answer
    x = 15,342,628.85

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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.