Home / 26,699,510.52-39,939,580.44-21,318,670.80

Finding the Fourth Proportional to 26,699,510.52, 39,939,580.44 and 21,318,670.80

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Solution

The fourth proportional to 26,699,510.52, 39,939,580.44 and 21,318,670.80 is: 31,890,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699,510.52 : 39,939,580.44 = 21,318,670.80 : x
  2. Step 2: Convert to fraction form
    26,699,510.52/39,939,580.44 = 21,318,670.80/x
  3. Step 3: Cross multiply
    26,699,510.52x = 39,939,580.44 × 21,318,670.80
  4. Step 4: Simplify right side
    26,699,510.52x = 851,458,767,290,479.12
  5. Step 5: Solve for x
    x = 851,458,767,290,479.12/26,699,510.52
  6. Step 6: Final answer
    x = 31,890,426.11

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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.