Home / 12,715,232.40-19,048,847.85-7,512,317.18

Finding the Fourth Proportional to 12,715,232.40, 19,048,847.85 and 7,512,317.18

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Solution

The fourth proportional to 12,715,232.40, 19,048,847.85 and 7,512,317.18 is: 11,254,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,232.40 : 19,048,847.85 = 7,512,317.18 : x
  2. Step 2: Convert to fraction form
    12,715,232.40/19,048,847.85 = 7,512,317.18/x
  3. Step 3: Cross multiply
    12,715,232.40x = 19,048,847.85 × 7,512,317.18
  4. Step 4: Simplify right side
    12,715,232.40x = 143,100,986,962,761.06
  5. Step 5: Solve for x
    x = 143,100,986,962,761.06/12,715,232.40
  6. Step 6: Final answer
    x = 11,254,295.83

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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.