Home / 12,069,336.70-18,104,005.05-7,274,557.90

Finding the Fourth Proportional to 12,069,336.70, 18,104,005.05 and 7,274,557.90

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Solution

The fourth proportional to 12,069,336.70, 18,104,005.05 and 7,274,557.90 is: 10,911,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,336.70 : 18,104,005.05 = 7,274,557.90 : x
  2. Step 2: Convert to fraction form
    12,069,336.70/18,104,005.05 = 7,274,557.90/x
  3. Step 3: Cross multiply
    12,069,336.70x = 18,104,005.05 × 7,274,557.90
  4. Step 4: Simplify right side
    12,069,336.70x = 131,698,632,958,117.41
  5. Step 5: Solve for x
    x = 131,698,632,958,117.41/12,069,336.70
  6. Step 6: Final answer
    x = 10,911,836.85

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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.