Home / 14,126,931.30-21,188,330.15-6,739,310.91

Finding the Fourth Proportional to 14,126,931.30, 21,188,330.15 and 6,739,310.91

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Solution

The fourth proportional to 14,126,931.30, 21,188,330.15 and 6,739,310.91 is: 10,107,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126,931.30 : 21,188,330.15 = 6,739,310.91 : x
  2. Step 2: Convert to fraction form
    14,126,931.30/21,188,330.15 = 6,739,310.91/x
  3. Step 3: Cross multiply
    14,126,931.30x = 21,188,330.15 × 6,739,310.91
  4. Step 4: Simplify right side
    14,126,931.30x = 142,794,744,544,576.94
  5. Step 5: Solve for x
    x = 142,794,744,544,576.94/14,126,931.30
  6. Step 6: Final answer
    x = 10,107,980.39

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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.