Home / 19,174,531.20-28,737,302.40-7,802,131.20

Finding the Fourth Proportional to 19,174,531.20, 28,737,302.40 and 7,802,131.20

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Solution

The fourth proportional to 19,174,531.20, 28,737,302.40 and 7,802,131.20 is: 11,693,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,531.20 : 28,737,302.40 = 7,802,131.20 : x
  2. Step 2: Convert to fraction form
    19,174,531.20/28,737,302.40 = 7,802,131.20/x
  3. Step 3: Cross multiply
    19,174,531.20x = 28,737,302.40 × 7,802,131.20
  4. Step 4: Simplify right side
    19,174,531.20x = 224,212,203,658,874.88
  5. Step 5: Solve for x
    x = 224,212,203,658,874.88/19,174,531.20
  6. Step 6: Final answer
    x = 11,693,230.01

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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.