Home / 12,882,583.85-17,778,002.58-7,376,043.16

Finding the Fourth Proportional to 12,882,583.85, 17,778,002.58 and 7,376,043.16

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Solution

The fourth proportional to 12,882,583.85, 17,778,002.58 and 7,376,043.16 is: 10,178,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,583.85 : 17,778,002.58 = 7,376,043.16 : x
  2. Step 2: Convert to fraction form
    12,882,583.85/17,778,002.58 = 7,376,043.16/x
  3. Step 3: Cross multiply
    12,882,583.85x = 17,778,002.58 × 7,376,043.16
  4. Step 4: Simplify right side
    12,882,583.85x = 131,131,314,350,893.84
  5. Step 5: Solve for x
    x = 131,131,314,350,893.84/12,882,583.85
  6. Step 6: Final answer
    x = 10,178,960.68

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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.