Home / 14,012,593.20-21,018,889.80-6,439,558.95

Finding the Fourth Proportional to 14,012,593.20, 21,018,889.80 and 6,439,558.95

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Solution

The fourth proportional to 14,012,593.20, 21,018,889.80 and 6,439,558.95 is: 9,659,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,593.20 : 21,018,889.80 = 6,439,558.95 : x
  2. Step 2: Convert to fraction form
    14,012,593.20/21,018,889.80 = 6,439,558.95/x
  3. Step 3: Cross multiply
    14,012,593.20x = 21,018,889.80 × 6,439,558.95
  4. Step 4: Simplify right side
    14,012,593.20x = 135,352,379,930,653.72
  5. Step 5: Solve for x
    x = 135,352,379,930,653.72/14,012,593.20
  6. Step 6: Final answer
    x = 9,659,338.43

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1.5x scale

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.