Home / 11,889,601.20-17,834,401.80-7,779,790.80

Finding the Fourth Proportional to 11,889,601.20, 17,834,401.80 and 7,779,790.80

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Solution

The fourth proportional to 11,889,601.20, 17,834,401.80 and 7,779,790.80 is: 11,669,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,601.20 : 17,834,401.80 = 7,779,790.80 : x
  2. Step 2: Convert to fraction form
    11,889,601.20/17,834,401.80 = 7,779,790.80/x
  3. Step 3: Cross multiply
    11,889,601.20x = 17,834,401.80 × 7,779,790.80
  4. Step 4: Simplify right side
    11,889,601.20x = 138,747,915,047,143.44
  5. Step 5: Solve for x
    x = 138,747,915,047,143.44/11,889,601.20
  6. Step 6: Final answer
    x = 11,669,686.20

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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.