Home / 13,930,868.80-19,225,080.12-7,736,019.22

Finding the Fourth Proportional to 13,930,868.80, 19,225,080.12 and 7,736,019.22

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Solution

The fourth proportional to 13,930,868.80, 19,225,080.12 and 7,736,019.22 is: 10,675,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,868.80 : 19,225,080.12 = 7,736,019.22 : x
  2. Step 2: Convert to fraction form
    13,930,868.80/19,225,080.12 = 7,736,019.22/x
  3. Step 3: Cross multiply
    13,930,868.80x = 19,225,080.12 × 7,736,019.22
  4. Step 4: Simplify right side
    13,930,868.80x = 148,725,589,314,359.91
  5. Step 5: Solve for x
    x = 148,725,589,314,359.91/13,930,868.80
  6. Step 6: Final answer
    x = 10,675,973.73

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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.