Home / 13,477,042.92-20,212,587.74-3,890,338.28

Finding the Fourth Proportional to 13,477,042.92, 20,212,587.74 and 3,890,338.28

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Solution

The fourth proportional to 13,477,042.92, 20,212,587.74 and 3,890,338.28 is: 5,834,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477,042.92 : 20,212,587.74 = 3,890,338.28 : x
  2. Step 2: Convert to fraction form
    13,477,042.92/20,212,587.74 = 3,890,338.28/x
  3. Step 3: Cross multiply
    13,477,042.92x = 20,212,587.74 × 3,890,338.28
  4. Step 4: Simplify right side
    13,477,042.92x = 78,633,803,822,780.67
  5. Step 5: Solve for x
    x = 78,633,803,822,780.67/13,477,042.92
  6. Step 6: Final answer
    x = 5,834,648.17

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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.