Home / 20,996,171.10-31,489,530.30-7,532,999.10

Finding the Fourth Proportional to 20,996,171.10, 31,489,530.30 and 7,532,999.10

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Solution

The fourth proportional to 20,996,171.10, 31,489,530.30 and 7,532,999.10 is: 11,297,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,171.10 : 31,489,530.30 = 7,532,999.10 : x
  2. Step 2: Convert to fraction form
    20,996,171.10/31,489,530.30 = 7,532,999.10/x
  3. Step 3: Cross multiply
    20,996,171.10x = 31,489,530.30 × 7,532,999.10
  4. Step 4: Simplify right side
    20,996,171.10x = 237,210,603,409,322.72
  5. Step 5: Solve for x
    x = 237,210,603,409,322.72/20,996,171.10
  6. Step 6: Final answer
    x = 11,297,802.93

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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.