Home / 20,995,235.10-31,492,852.65-18,341,027.10

Finding the Fourth Proportional to 20,995,235.10, 31,492,852.65 and 18,341,027.10

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Solution

The fourth proportional to 20,995,235.10, 31,492,852.65 and 18,341,027.10 is: 27,511,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,235.10 : 31,492,852.65 = 18,341,027.10 : x
  2. Step 2: Convert to fraction form
    20,995,235.10/31,492,852.65 = 18,341,027.10/x
  3. Step 3: Cross multiply
    20,995,235.10x = 31,492,852.65 × 18,341,027.10
  4. Step 4: Simplify right side
    20,995,235.10x = 577,611,263,909,956.88
  5. Step 5: Solve for x
    x = 577,611,263,909,956.88/20,995,235.10
  6. Step 6: Final answer
    x = 27,511,540.65

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Similar ratio
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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.