Home / 20,160,714.70-30,241,072.05-7,381,636.30

Finding the Fourth Proportional to 20,160,714.70, 30,241,072.05 and 7,381,636.30

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Solution

The fourth proportional to 20,160,714.70, 30,241,072.05 and 7,381,636.30 is: 11,072,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,714.70 : 30,241,072.05 = 7,381,636.30 : x
  2. Step 2: Convert to fraction form
    20,160,714.70/30,241,072.05 = 7,381,636.30/x
  3. Step 3: Cross multiply
    20,160,714.70x = 30,241,072.05 × 7,381,636.30
  4. Step 4: Simplify right side
    20,160,714.70x = 223,228,595,195,195.41
  5. Step 5: Solve for x
    x = 223,228,595,195,195.41/20,160,714.70
  6. Step 6: Final answer
    x = 11,072,454.45

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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.