Home / 20,937,485.10-31,407,211.80-6,561,021.90

Finding the Fourth Proportional to 20,937,485.10, 31,407,211.80 and 6,561,021.90

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Solution

The fourth proportional to 20,937,485.10, 31,407,211.80 and 6,561,021.90 is: 9,841,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937,485.10 : 31,407,211.80 = 6,561,021.90 : x
  2. Step 2: Convert to fraction form
    20,937,485.10/31,407,211.80 = 6,561,021.90/x
  3. Step 3: Cross multiply
    20,937,485.10x = 31,407,211.80 × 6,561,021.90
  4. Step 4: Simplify right side
    20,937,485.10x = 206,063,404,437,738.44
  5. Step 5: Solve for x
    x = 206,063,404,437,738.44/20,937,485.10
  6. Step 6: Final answer
    x = 9,841,841.25

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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.