Home / 20,744,833.80-31,117,250.70-6,561,409.80

Finding the Fourth Proportional to 20,744,833.80, 31,117,250.70 and 6,561,409.80

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Solution

The fourth proportional to 20,744,833.80, 31,117,250.70 and 6,561,409.80 is: 9,842,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,833.80 : 31,117,250.70 = 6,561,409.80 : x
  2. Step 2: Convert to fraction form
    20,744,833.80/31,117,250.70 = 6,561,409.80/x
  3. Step 3: Cross multiply
    20,744,833.80x = 31,117,250.70 × 6,561,409.80
  4. Step 4: Simplify right side
    20,744,833.80x = 204,173,033,692,036.84
  5. Step 5: Solve for x
    x = 204,173,033,692,036.84/20,744,833.80
  6. Step 6: Final answer
    x = 9,842,114.70

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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.