Home / 14,271,983.70-21,407,784.20-3,489,377.52

Finding the Fourth Proportional to 14,271,983.70, 21,407,784.20 and 3,489,377.52

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Solution

The fourth proportional to 14,271,983.70, 21,407,784.20 and 3,489,377.52 is: 5,234,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,983.70 : 21,407,784.20 = 3,489,377.52 : x
  2. Step 2: Convert to fraction form
    14,271,983.70/21,407,784.20 = 3,489,377.52/x
  3. Step 3: Cross multiply
    14,271,983.70x = 21,407,784.20 × 3,489,377.52
  4. Step 4: Simplify right side
    14,271,983.70x = 74,699,840,940,491.19
  5. Step 5: Solve for x
    x = 74,699,840,940,491.19/14,271,983.70
  6. Step 6: Final answer
    x = 5,234,019.50

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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.