Home / 20,965,664.75-31,432,488.29-6,580,409.81

Finding the Fourth Proportional to 20,965,664.75, 31,432,488.29 and 6,580,409.81

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Solution

The fourth proportional to 20,965,664.75, 31,432,488.29 and 6,580,409.81 is: 9,865,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,664.75 : 31,432,488.29 = 6,580,409.81 : x
  2. Step 2: Convert to fraction form
    20,965,664.75/31,432,488.29 = 6,580,409.81/x
  3. Step 3: Cross multiply
    20,965,664.75x = 31,432,488.29 × 6,580,409.81
  4. Step 4: Simplify right side
    20,965,664.75x = 206,838,654,106,161.62
  5. Step 5: Solve for x
    x = 206,838,654,106,161.62/20,965,664.75
  6. Step 6: Final answer
    x = 9,865,590.08

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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.