Home / 20,160,994.20-30,241,491.30-12,098,837.40

Finding the Fourth Proportional to 20,160,994.20, 30,241,491.30 and 12,098,837.40

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Solution

The fourth proportional to 20,160,994.20, 30,241,491.30 and 12,098,837.40 is: 18,148,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,994.20 : 30,241,491.30 = 12,098,837.40 : x
  2. Step 2: Convert to fraction form
    20,160,994.20/30,241,491.30 = 12,098,837.40/x
  3. Step 3: Cross multiply
    20,160,994.20x = 30,241,491.30 × 12,098,837.40
  4. Step 4: Simplify right side
    20,160,994.20x = 365,886,885,972,214.62
  5. Step 5: Solve for x
    x = 365,886,885,972,214.62/20,160,994.20
  6. Step 6: Final answer
    x = 18,148,256.10

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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.