Home / 12,742,112.88-17,584,025.34-6,940,894.50

Finding the Fourth Proportional to 12,742,112.88, 17,584,025.34 and 6,940,894.50

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Solution

The fourth proportional to 12,742,112.88, 17,584,025.34 and 6,940,894.50 is: 9,578,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,112.88 : 17,584,025.34 = 6,940,894.50 : x
  2. Step 2: Convert to fraction form
    12,742,112.88/17,584,025.34 = 6,940,894.50/x
  3. Step 3: Cross multiply
    12,742,112.88x = 17,584,025.34 × 6,940,894.50
  4. Step 4: Simplify right side
    12,742,112.88x = 122,048,864,770,266.62
  5. Step 5: Solve for x
    x = 122,048,864,770,266.62/12,742,112.88
  6. Step 6: Final answer
    x = 9,578,385.15

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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.