Home / 12,905,322.17-17,809,571.12-7,025,125.41

Finding the Fourth Proportional to 12,905,322.17, 17,809,571.12 and 7,025,125.41

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Solution

The fourth proportional to 12,905,322.17, 17,809,571.12 and 7,025,125.41 is: 9,694,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,322.17 : 17,809,571.12 = 7,025,125.41 : x
  2. Step 2: Convert to fraction form
    12,905,322.17/17,809,571.12 = 7,025,125.41/x
  3. Step 3: Cross multiply
    12,905,322.17x = 17,809,571.12 × 7,025,125.41
  4. Step 4: Simplify right side
    12,905,322.17x = 125,114,470,581,188.52
  5. Step 5: Solve for x
    x = 125,114,470,581,188.52/12,905,322.17
  6. Step 6: Final answer
    x = 9,694,796.38

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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.