Home / 12,696,846.19-17,522,728.41-7,191,200.50

Finding the Fourth Proportional to 12,696,846.19, 17,522,728.41 and 7,191,200.50

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Solution

The fourth proportional to 12,696,846.19, 17,522,728.41 and 7,191,200.50 is: 9,924,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,846.19 : 17,522,728.41 = 7,191,200.50 : x
  2. Step 2: Convert to fraction form
    12,696,846.19/17,522,728.41 = 7,191,200.50/x
  3. Step 3: Cross multiply
    12,696,846.19x = 17,522,728.41 × 7,191,200.50
  4. Step 4: Simplify right side
    12,696,846.19x = 126,009,453,303,356.20
  5. Step 5: Solve for x
    x = 126,009,453,303,356.20/12,696,846.19
  6. Step 6: Final answer
    x = 9,924,468.76

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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.