Home / 21,413,730.42-32,132,743.88-11,565,672.03

Finding the Fourth Proportional to 21,413,730.42, 32,132,743.88 and 11,565,672.03

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Solution

The fourth proportional to 21,413,730.42, 32,132,743.88 and 11,565,672.03 is: 17,355,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413,730.42 : 32,132,743.88 = 11,565,672.03 : x
  2. Step 2: Convert to fraction form
    21,413,730.42/32,132,743.88 = 11,565,672.03/x
  3. Step 3: Cross multiply
    21,413,730.42x = 32,132,743.88 × 11,565,672.03
  4. Step 4: Simplify right side
    21,413,730.42x = 371,636,777,082,241.31
  5. Step 5: Solve for x
    x = 371,636,777,082,241.31/21,413,730.42
  6. Step 6: Final answer
    x = 17,355,069.38

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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.