Home / 20,235,971.10-30,343,459.05-7,449,894.30

Finding the Fourth Proportional to 20,235,971.10, 30,343,459.05 and 7,449,894.30

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Solution

The fourth proportional to 20,235,971.10, 30,343,459.05 and 7,449,894.30 is: 11,170,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,971.10 : 30,343,459.05 = 7,449,894.30 : x
  2. Step 2: Convert to fraction form
    20,235,971.10/30,343,459.05 = 7,449,894.30/x
  3. Step 3: Cross multiply
    20,235,971.10x = 30,343,459.05 × 7,449,894.30
  4. Step 4: Simplify right side
    20,235,971.10x = 226,055,562,618,878.41
  5. Step 5: Solve for x
    x = 226,055,562,618,878.41/20,235,971.10
  6. Step 6: Final answer
    x = 11,170,976.75

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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.