Home / 11,178,034.20-16,767,051.30-7,776,811.80

Finding the Fourth Proportional to 11,178,034.20, 16,767,051.30 and 7,776,811.80

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Solution

The fourth proportional to 11,178,034.20, 16,767,051.30 and 7,776,811.80 is: 11,665,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,034.20 : 16,767,051.30 = 7,776,811.80 : x
  2. Step 2: Convert to fraction form
    11,178,034.20/16,767,051.30 = 7,776,811.80/x
  3. Step 3: Cross multiply
    11,178,034.20x = 16,767,051.30 × 7,776,811.80
  4. Step 4: Simplify right side
    11,178,034.20x = 130,394,202,401,045.34
  5. Step 5: Solve for x
    x = 130,394,202,401,045.34/11,178,034.20
  6. Step 6: Final answer
    x = 11,665,217.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.