Home / 12,888,020.20-19,309,911.90-6,141,908.20

Finding the Fourth Proportional to 12,888,020.20, 19,309,911.90 and 6,141,908.20

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Solution

The fourth proportional to 12,888,020.20, 19,309,911.90 and 6,141,908.20 is: 9,202,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,020.20 : 19,309,911.90 = 6,141,908.20 : x
  2. Step 2: Convert to fraction form
    12,888,020.20/19,309,911.90 = 6,141,908.20/x
  3. Step 3: Cross multiply
    12,888,020.20x = 19,309,911.90 × 6,141,908.20
  4. Step 4: Simplify right side
    12,888,020.20x = 118,599,706,239,887.58
  5. Step 5: Solve for x
    x = 118,599,706,239,887.58/12,888,020.20
  6. Step 6: Final answer
    x = 9,202,321.57

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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.