Home / 34,397,403.82-47,470,381.32-19,715,515.72

Finding the Fourth Proportional to 34,397,403.82, 47,470,381.32 and 19,715,515.72

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Solution

The fourth proportional to 34,397,403.82, 47,470,381.32 and 19,715,515.72 is: 27,208,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,397,403.82 : 47,470,381.32 = 19,715,515.72 : x
  2. Step 2: Convert to fraction form
    34,397,403.82/47,470,381.32 = 19,715,515.72/x
  3. Step 3: Cross multiply
    34,397,403.82x = 47,470,381.32 × 19,715,515.72
  4. Step 4: Simplify right side
    34,397,403.82x = 935,903,049,148,854.25
  5. Step 5: Solve for x
    x = 935,903,049,148,854.25/34,397,403.82
  6. Step 6: Final answer
    x = 27,208,537.42

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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.