Home / 13,620,041.97-20,430,440.82-3,384,488.31

Finding the Fourth Proportional to 13,620,041.97, 20,430,440.82 and 3,384,488.31

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Solution

The fourth proportional to 13,620,041.97, 20,430,440.82 and 3,384,488.31 is: 5,076,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,041.97 : 20,430,440.82 = 3,384,488.31 : x
  2. Step 2: Convert to fraction form
    13,620,041.97/20,430,440.82 = 3,384,488.31/x
  3. Step 3: Cross multiply
    13,620,041.97x = 20,430,440.82 × 3,384,488.31
  4. Step 4: Simplify right side
    13,620,041.97x = 69,146,588,123,436.81
  5. Step 5: Solve for x
    x = 69,146,588,123,436.81/13,620,041.97
  6. Step 6: Final answer
    x = 5,076,826.36

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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.