Home / 12,220,657.16-16,865,040.66-6,788,149.16

Finding the Fourth Proportional to 12,220,657.16, 16,865,040.66 and 6,788,149.16

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Solution

The fourth proportional to 12,220,657.16, 16,865,040.66 and 6,788,149.16 is: 9,367,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,657.16 : 16,865,040.66 = 6,788,149.16 : x
  2. Step 2: Convert to fraction form
    12,220,657.16/16,865,040.66 = 6,788,149.16/x
  3. Step 3: Cross multiply
    12,220,657.16x = 16,865,040.66 × 6,788,149.16
  4. Step 4: Simplify right side
    12,220,657.16x = 114,482,411,589,544.84
  5. Step 5: Solve for x
    x = 114,482,411,589,544.84/12,220,657.16
  6. Step 6: Final answer
    x = 9,367,942.34

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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.