Home / 12,151,967.36-18,229,763.54-4,475,021.92

Finding the Fourth Proportional to 12,151,967.36, 18,229,763.54 and 4,475,021.92

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Solution

The fourth proportional to 12,151,967.36, 18,229,763.54 and 4,475,021.92 is: 6,713,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,967.36 : 18,229,763.54 = 4,475,021.92 : x
  2. Step 2: Convert to fraction form
    12,151,967.36/18,229,763.54 = 4,475,021.92/x
  3. Step 3: Cross multiply
    12,151,967.36x = 18,229,763.54 × 4,475,021.92
  4. Step 4: Simplify right side
    12,151,967.36x = 81,578,591,403,529.95
  5. Step 5: Solve for x
    x = 81,578,591,403,529.95/12,151,967.36
  6. Step 6: Final answer
    x = 6,713,200.34

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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.