Home / 21,415,051.85-32,083,605.43-19,119,226.73

Finding the Fourth Proportional to 21,415,051.85, 32,083,605.43 and 19,119,226.73

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Solution

The fourth proportional to 21,415,051.85, 32,083,605.43 and 19,119,226.73 is: 28,644,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,415,051.85 : 32,083,605.43 = 19,119,226.73 : x
  2. Step 2: Convert to fraction form
    21,415,051.85/32,083,605.43 = 19,119,226.73/x
  3. Step 3: Cross multiply
    21,415,051.85x = 32,083,605.43 × 19,119,226.73
  4. Step 4: Simplify right side
    21,415,051.85x = 613,413,726,323,813.12
  5. Step 5: Solve for x
    x = 613,413,726,323,813.12/21,415,051.85
  6. Step 6: Final answer
    x = 28,644,045.82

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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.