Home / 13,208,895.80-19,813,343.70-11,650,002.20

Finding the Fourth Proportional to 13,208,895.80, 19,813,343.70 and 11,650,002.20

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Solution

The fourth proportional to 13,208,895.80, 19,813,343.70 and 11,650,002.20 is: 17,475,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,895.80 : 19,813,343.70 = 11,650,002.20 : x
  2. Step 2: Convert to fraction form
    13,208,895.80/19,813,343.70 = 11,650,002.20/x
  3. Step 3: Cross multiply
    13,208,895.80x = 19,813,343.70 × 11,650,002.20
  4. Step 4: Simplify right side
    13,208,895.80x = 230,825,497,694,356.12
  5. Step 5: Solve for x
    x = 230,825,497,694,356.12/13,208,895.80
  6. Step 6: Final answer
    x = 17,475,003.30

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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.