Home / 13,731,809.70-20,597,714.55-7,685,192.10

Finding the Fourth Proportional to 13,731,809.70, 20,597,714.55 and 7,685,192.10

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Solution

The fourth proportional to 13,731,809.70, 20,597,714.55 and 7,685,192.10 is: 11,527,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,809.70 : 20,597,714.55 = 7,685,192.10 : x
  2. Step 2: Convert to fraction form
    13,731,809.70/20,597,714.55 = 7,685,192.10/x
  3. Step 3: Cross multiply
    13,731,809.70x = 20,597,714.55 × 7,685,192.10
  4. Step 4: Simplify right side
    13,731,809.70x = 158,297,393,137,715.06
  5. Step 5: Solve for x
    x = 158,297,393,137,715.06/13,731,809.70
  6. Step 6: Final answer
    x = 11,527,788.15

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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.