Home / 12,999,333.73-17,957,766.54-10,382,401.84

Finding the Fourth Proportional to 12,999,333.73, 17,957,766.54 and 10,382,401.84

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Solution

The fourth proportional to 12,999,333.73, 17,957,766.54 and 10,382,401.84 is: 14,342,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,333.73 : 17,957,766.54 = 10,382,401.84 : x
  2. Step 2: Convert to fraction form
    12,999,333.73/17,957,766.54 = 10,382,401.84/x
  3. Step 3: Cross multiply
    12,999,333.73x = 17,957,766.54 × 10,382,401.84
  4. Step 4: Simplify right side
    12,999,333.73x = 186,444,748,367,186.41
  5. Step 5: Solve for x
    x = 186,444,748,367,186.41/12,999,333.73
  6. Step 6: Final answer
    x = 14,342,638.80

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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.