Home / 12,456,688.70-17,190,206.56-6,949,735.90

Finding the Fourth Proportional to 12,456,688.70, 17,190,206.56 and 6,949,735.90

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Solution

The fourth proportional to 12,456,688.70, 17,190,206.56 and 6,949,735.90 is: 9,590,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,688.70 : 17,190,206.56 = 6,949,735.90 : x
  2. Step 2: Convert to fraction form
    12,456,688.70/17,190,206.56 = 6,949,735.90/x
  3. Step 3: Cross multiply
    12,456,688.70x = 17,190,206.56 × 6,949,735.90
  4. Step 4: Simplify right side
    12,456,688.70x = 119,467,395,658,447.50
  5. Step 5: Solve for x
    x = 119,467,395,658,447.50/12,456,688.70
  6. Step 6: Final answer
    x = 9,590,622.24

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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.