Home / 12,767,002.40-19,164,500.40-7,980,096.80

Finding the Fourth Proportional to 12,767,002.40, 19,164,500.40 and 7,980,096.80

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Solution

The fourth proportional to 12,767,002.40, 19,164,500.40 and 7,980,096.80 is: 11,978,893.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767,002.40 : 19,164,500.40 = 7,980,096.80 : x
  2. Step 2: Convert to fraction form
    12,767,002.40/19,164,500.40 = 7,980,096.80/x
  3. Step 3: Cross multiply
    12,767,002.40x = 19,164,500.40 × 7,980,096.80
  4. Step 4: Simplify right side
    12,767,002.40x = 152,934,568,315,638.72
  5. Step 5: Solve for x
    x = 152,934,568,315,638.72/12,767,002.40
  6. Step 6: Final answer
    x = 11,978,893.99

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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.