Home / 13,292,577.78-19,938,865.05-3,195,198.78

Finding the Fourth Proportional to 13,292,577.78, 19,938,865.05 and 3,195,198.78

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Solution

The fourth proportional to 13,292,577.78, 19,938,865.05 and 3,195,198.78 is: 4,792,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,577.78 : 19,938,865.05 = 3,195,198.78 : x
  2. Step 2: Convert to fraction form
    13,292,577.78/19,938,865.05 = 3,195,198.78/x
  3. Step 3: Cross multiply
    13,292,577.78x = 19,938,865.05 × 3,195,198.78
  4. Step 4: Simplify right side
    13,292,577.78x = 63,708,637,282,344.64
  5. Step 5: Solve for x
    x = 63,708,637,282,344.64/13,292,577.78
  6. Step 6: Final answer
    x = 4,792,797.78

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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.