Home / 20,235,918.10-30,343,379.55-7,449,841.30

Finding the Fourth Proportional to 20,235,918.10, 30,343,379.55 and 7,449,841.30

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Solution

The fourth proportional to 20,235,918.10, 30,343,379.55 and 7,449,841.30 is: 11,170,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,918.10 : 30,343,379.55 = 7,449,841.30 : x
  2. Step 2: Convert to fraction form
    20,235,918.10/30,343,379.55 = 7,449,841.30/x
  3. Step 3: Cross multiply
    20,235,918.10x = 30,343,379.55 × 7,449,841.30
  4. Step 4: Simplify right side
    20,235,918.10x = 226,053,362,153,165.41
  5. Step 5: Solve for x
    x = 226,053,362,153,165.41/20,235,918.10
  6. Step 6: Final answer
    x = 11,170,897.26

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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.