Home / 12,401,285.76-17,006,994.72-11,884,013.28

Finding the Fourth Proportional to 12,401,285.76, 17,006,994.72 and 11,884,013.28

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Solution

The fourth proportional to 12,401,285.76, 17,006,994.72 and 11,884,013.28 is: 16,297,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,285.76 : 17,006,994.72 = 11,884,013.28 : x
  2. Step 2: Convert to fraction form
    12,401,285.76/17,006,994.72 = 11,884,013.28/x
  3. Step 3: Cross multiply
    12,401,285.76x = 17,006,994.72 × 11,884,013.28
  4. Step 4: Simplify right side
    12,401,285.76x = 202,111,351,105,369.84
  5. Step 5: Solve for x
    x = 202,111,351,105,369.84/12,401,285.76
  6. Step 6: Final answer
    x = 16,297,612.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.