Home / 18,470,530.20-27,705,795.30-7,684,246.20

Finding the Fourth Proportional to 18,470,530.20, 27,705,795.30 and 7,684,246.20

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Solution

The fourth proportional to 18,470,530.20, 27,705,795.30 and 7,684,246.20 is: 11,526,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470,530.20 : 27,705,795.30 = 7,684,246.20 : x
  2. Step 2: Convert to fraction form
    18,470,530.20/27,705,795.30 = 7,684,246.20/x
  3. Step 3: Cross multiply
    18,470,530.20x = 27,705,795.30 × 7,684,246.20
  4. Step 4: Simplify right side
    18,470,530.20x = 212,898,152,252,002.88
  5. Step 5: Solve for x
    x = 212,898,152,252,002.88/18,470,530.20
  6. Step 6: Final answer
    x = 11,526,369.30

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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.