Home / 15,376,778.44-21,220,397.22-8,501,704.36

Finding the Fourth Proportional to 15,376,778.44, 21,220,397.22 and 8,501,704.36

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Solution

The fourth proportional to 15,376,778.44, 21,220,397.22 and 8,501,704.36 is: 11,732,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,778.44 : 21,220,397.22 = 8,501,704.36 : x
  2. Step 2: Convert to fraction form
    15,376,778.44/21,220,397.22 = 8,501,704.36/x
  3. Step 3: Cross multiply
    15,376,778.44x = 21,220,397.22 × 8,501,704.36
  4. Step 4: Simplify right side
    15,376,778.44x = 180,409,543,566,205.84
  5. Step 5: Solve for x
    x = 180,409,543,566,205.84/15,376,778.44
  6. Step 6: Final answer
    x = 11,732,596.93

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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.