Home / 19,585,646.40-29,383,135.20-9,479,956.80

Finding the Fourth Proportional to 19,585,646.40, 29,383,135.20 and 9,479,956.80

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Solution

The fourth proportional to 19,585,646.40, 29,383,135.20 and 9,479,956.80 is: 14,222,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,646.40 : 29,383,135.20 = 9,479,956.80 : x
  2. Step 2: Convert to fraction form
    19,585,646.40/29,383,135.20 = 9,479,956.80/x
  3. Step 3: Cross multiply
    19,585,646.40x = 29,383,135.20 × 9,479,956.80
  4. Step 4: Simplify right side
    19,585,646.40x = 278,550,852,344,559.38
  5. Step 5: Solve for x
    x = 278,550,852,344,559.38/19,585,646.40
  6. Step 6: Final answer
    x = 14,222,193.47

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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.