Home / 12,789,649.97-19,150,097.39-9,742,500.14

Finding the Fourth Proportional to 12,789,649.97, 19,150,097.39 and 9,742,500.14

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Solution

The fourth proportional to 12,789,649.97, 19,150,097.39 and 9,742,500.14 is: 14,587,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,649.97 : 19,150,097.39 = 9,742,500.14 : x
  2. Step 2: Convert to fraction form
    12,789,649.97/19,150,097.39 = 9,742,500.14/x
  3. Step 3: Cross multiply
    12,789,649.97x = 19,150,097.39 × 9,742,500.14
  4. Step 4: Simplify right side
    12,789,649.97x = 186,569,826,358,625.66
  5. Step 5: Solve for x
    x = 186,569,826,358,625.66/12,789,649.97
  6. Step 6: Final answer
    x = 14,587,563.14

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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.