Home / 45,690,221.13-68,528,590.27-13,333,435.85

Finding the Fourth Proportional to 45,690,221.13, 68,528,590.27 and 13,333,435.85

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Solution

The fourth proportional to 45,690,221.13, 68,528,590.27 and 13,333,435.85 is: 19,998,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690,221.13 : 68,528,590.27 = 13,333,435.85 : x
  2. Step 2: Convert to fraction form
    45,690,221.13/68,528,590.27 = 13,333,435.85/x
  3. Step 3: Cross multiply
    45,690,221.13x = 68,528,590.27 × 13,333,435.85
  4. Step 4: Simplify right side
    45,690,221.13x = 913,721,561,846,669.12
  5. Step 5: Solve for x
    x = 913,721,561,846,669.12/45,690,221.13
  6. Step 6: Final answer
    x = 19,998,186.47

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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.