Home / 20,139,882.04-27,796,370.42-11,881,963.22

Finding the Fourth Proportional to 20,139,882.04, 27,796,370.42 and 11,881,963.22

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Solution

The fourth proportional to 20,139,882.04, 27,796,370.42 and 11,881,963.22 is: 16,399,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,882.04 : 27,796,370.42 = 11,881,963.22 : x
  2. Step 2: Convert to fraction form
    20,139,882.04/27,796,370.42 = 11,881,963.22/x
  3. Step 3: Cross multiply
    20,139,882.04x = 27,796,370.42 × 11,881,963.22
  4. Step 4: Simplify right side
    20,139,882.04x = 330,275,450,920,526.12
  5. Step 5: Solve for x
    x = 330,275,450,920,526.12/20,139,882.04
  6. Step 6: Final answer
    x = 16,399,075.74

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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.