Home / 12,146,230.79-16,761,799.73-6,639,628.08

Finding the Fourth Proportional to 12,146,230.79, 16,761,799.73 and 6,639,628.08

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Solution

The fourth proportional to 12,146,230.79, 16,761,799.73 and 6,639,628.08 is: 9,162,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,230.79 : 16,761,799.73 = 6,639,628.08 : x
  2. Step 2: Convert to fraction form
    12,146,230.79/16,761,799.73 = 6,639,628.08/x
  3. Step 3: Cross multiply
    12,146,230.79x = 16,761,799.73 × 6,639,628.08
  4. Step 4: Simplify right side
    12,146,230.79x = 111,292,116,158,644.42
  5. Step 5: Solve for x
    x = 111,292,116,158,644.42/12,146,230.79
  6. Step 6: Final answer
    x = 9,162,687.43

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1.5x scale

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.