Home / 7,220,296.40-10,830,361.04-1,755,422.20

Finding the Fourth Proportional to 7,220,296.40, 10,830,361.04 and 1,755,422.20

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Solution

The fourth proportional to 7,220,296.40, 10,830,361.04 and 1,755,422.20 is: 2,633,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,296.40 : 10,830,361.04 = 1,755,422.20 : x
  2. Step 2: Convert to fraction form
    7,220,296.40/10,830,361.04 = 1,755,422.20/x
  3. Step 3: Cross multiply
    7,220,296.40x = 10,830,361.04 × 1,755,422.20
  4. Step 4: Simplify right side
    7,220,296.40x = 19,011,856,203,631.09
  5. Step 5: Solve for x
    x = 19,011,856,203,631.09/7,220,296.40
  6. Step 6: Final answer
    x = 2,633,112.98

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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.