Home / 12,468,032.60-18,670,556.10-8,185,011.80

Finding the Fourth Proportional to 12,468,032.60, 18,670,556.10 and 8,185,011.80

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Solution

The fourth proportional to 12,468,032.60, 18,670,556.10 and 8,185,011.80 is: 12,256,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,032.60 : 18,670,556.10 = 8,185,011.80 : x
  2. Step 2: Convert to fraction form
    12,468,032.60/18,670,556.10 = 8,185,011.80/x
  3. Step 3: Cross multiply
    12,468,032.60x = 18,670,556.10 × 8,185,011.80
  4. Step 4: Simplify right side
    12,468,032.60x = 152,818,721,991,062
  5. Step 5: Solve for x
    x = 152,818,721,991,062/12,468,032.60
  6. Step 6: Final answer
    x = 12,256,843.31

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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.