Home / 19,008,079.80-28,501,622.10-7,635,679.80

Finding the Fourth Proportional to 19,008,079.80, 28,501,622.10 and 7,635,679.80

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Solution

The fourth proportional to 19,008,079.80, 28,501,622.10 and 7,635,679.80 is: 11,449,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,079.80 : 28,501,622.10 = 7,635,679.80 : x
  2. Step 2: Convert to fraction form
    19,008,079.80/28,501,622.10 = 7,635,679.80/x
  3. Step 3: Cross multiply
    19,008,079.80x = 28,501,622.10 × 7,635,679.80
  4. Step 4: Simplify right side
    19,008,079.80x = 217,629,260,136,203.59
  5. Step 5: Solve for x
    x = 217,629,260,136,203.59/19,008,079.80
  6. Step 6: Final answer
    x = 11,449,302.74

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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.