Home / 20,146,998.30-30,220,497.45-14,520,284.70

Finding the Fourth Proportional to 20,146,998.30, 30,220,497.45 and 14,520,284.70

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Solution

The fourth proportional to 20,146,998.30, 30,220,497.45 and 14,520,284.70 is: 21,780,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,998.30 : 30,220,497.45 = 14,520,284.70 : x
  2. Step 2: Convert to fraction form
    20,146,998.30/30,220,497.45 = 14,520,284.70/x
  3. Step 3: Cross multiply
    20,146,998.30x = 30,220,497.45 × 14,520,284.70
  4. Step 4: Simplify right side
    20,146,998.30x = 438,810,226,749,624
  5. Step 5: Solve for x
    x = 438,810,226,749,624/20,146,998.30
  6. Step 6: Final answer
    x = 21,780,427.05

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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.