Home / 13,428,075.97-20,146,044.41-4,329,990.58

Finding the Fourth Proportional to 13,428,075.97, 20,146,044.41 and 4,329,990.58

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Solution

The fourth proportional to 13,428,075.97, 20,146,044.41 and 4,329,990.58 is: 6,496,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,075.97 : 20,146,044.41 = 4,329,990.58 : x
  2. Step 2: Convert to fraction form
    13,428,075.97/20,146,044.41 = 4,329,990.58/x
  3. Step 3: Cross multiply
    13,428,075.97x = 20,146,044.41 × 4,329,990.58
  4. Step 4: Simplify right side
    13,428,075.97x = 87,232,182,519,561.66
  5. Step 5: Solve for x
    x = 87,232,182,519,561.66/13,428,075.97
  6. Step 6: Final answer
    x = 6,496,253.28

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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.