Home / 14,014,740.70-21,022,111.05-8,251,558.30

Finding the Fourth Proportional to 14,014,740.70, 21,022,111.05 and 8,251,558.30

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Solution

The fourth proportional to 14,014,740.70, 21,022,111.05 and 8,251,558.30 is: 12,377,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,740.70 : 21,022,111.05 = 8,251,558.30 : x
  2. Step 2: Convert to fraction form
    14,014,740.70/21,022,111.05 = 8,251,558.30/x
  3. Step 3: Cross multiply
    14,014,740.70x = 21,022,111.05 × 8,251,558.30
  4. Step 4: Simplify right side
    14,014,740.70x = 173,465,174,918,149.22
  5. Step 5: Solve for x
    x = 173,465,174,918,149.22/14,014,740.70
  6. Step 6: Final answer
    x = 12,377,337.45

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Double scale
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Similar ratio
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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.