Home / 12,220,656.16-16,865,039.28-6,788,148.16

Finding the Fourth Proportional to 12,220,656.16, 16,865,039.28 and 6,788,148.16

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Solution

The fourth proportional to 12,220,656.16, 16,865,039.28 and 6,788,148.16 is: 9,367,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,656.16 : 16,865,039.28 = 6,788,148.16 : x
  2. Step 2: Convert to fraction form
    12,220,656.16/16,865,039.28 = 6,788,148.16/x
  3. Step 3: Cross multiply
    12,220,656.16x = 16,865,039.28 × 6,788,148.16
  4. Step 4: Simplify right side
    12,220,656.16x = 114,482,385,356,859.73
  5. Step 5: Solve for x
    x = 114,482,385,356,859.73/12,220,656.16
  6. Step 6: Final answer
    x = 9,367,940.96

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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.