Home / 34,080,262.40-51,157,718.40-21,315,180.80

Finding the Fourth Proportional to 34,080,262.40, 51,157,718.40 and 21,315,180.80

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Solution

The fourth proportional to 34,080,262.40, 51,157,718.40 and 21,315,180.80 is: 31,996,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080,262.40 : 51,157,718.40 = 21,315,180.80 : x
  2. Step 2: Convert to fraction form
    34,080,262.40/51,157,718.40 = 21,315,180.80/x
  3. Step 3: Cross multiply
    34,080,262.40x = 51,157,718.40 × 21,315,180.80
  4. Step 4: Simplify right side
    34,080,262.40x = 1,090,436,017,011,486.75
  5. Step 5: Solve for x
    x = 1,090,436,017,011,486.75/34,080,262.40
  6. Step 6: Final answer
    x = 31,996,115.65

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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.