Home / 21,525,149.39-29,697,254.17-13,794,454.31

Finding the Fourth Proportional to 21,525,149.39, 29,697,254.17 and 13,794,454.31

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Solution

The fourth proportional to 21,525,149.39, 29,697,254.17 and 13,794,454.31 is: 19,031,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,149.39 : 29,697,254.17 = 13,794,454.31 : x
  2. Step 2: Convert to fraction form
    21,525,149.39/29,697,254.17 = 13,794,454.31/x
  3. Step 3: Cross multiply
    21,525,149.39x = 29,697,254.17 × 13,794,454.31
  4. Step 4: Simplify right side
    21,525,149.39x = 409,657,415,597,549.56
  5. Step 5: Solve for x
    x = 409,657,415,597,549.56/21,525,149.39
  6. Step 6: Final answer
    x = 19,031,571.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.