Home / 21,342,416-31,994,006.94-7,692,221.72

Finding the Fourth Proportional to 21,342,416, 31,994,006.94 and 7,692,221.72

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Solution

The fourth proportional to 21,342,416, 31,994,006.94 and 7,692,221.72 is: 11,531,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342,416 : 31,994,006.94 = 7,692,221.72 : x
  2. Step 2: Convert to fraction form
    21,342,416/31,994,006.94 = 7,692,221.72/x
  3. Step 3: Cross multiply
    21,342,416x = 31,994,006.94 × 7,692,221.72
  4. Step 4: Simplify right side
    21,342,416x = 246,104,995,093,698.75
  5. Step 5: Solve for x
    x = 246,104,995,093,698.75/21,342,416
  6. Step 6: Final answer
    x = 11,531,262.21

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1.5x scale

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.