Home / 21,326,496.48-31,986,459.36-6,949,527.84

Finding the Fourth Proportional to 21,326,496.48, 31,986,459.36 and 6,949,527.84

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Solution

The fourth proportional to 21,326,496.48, 31,986,459.36 and 6,949,527.84 is: 10,423,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,496.48 : 31,986,459.36 = 6,949,527.84 : x
  2. Step 2: Convert to fraction form
    21,326,496.48/31,986,459.36 = 6,949,527.84/x
  3. Step 3: Cross multiply
    21,326,496.48x = 31,986,459.36 × 6,949,527.84
  4. Step 4: Simplify right side
    21,326,496.48x = 222,290,789,825,348.56
  5. Step 5: Solve for x
    x = 222,290,789,825,348.56/21,326,496.48
  6. Step 6: Final answer
    x = 10,423,221.18

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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.