Home / 12,124,332.40-18,189,025.80-4,039,819.60

Finding the Fourth Proportional to 12,124,332.40, 18,189,025.80 and 4,039,819.60

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Solution

The fourth proportional to 12,124,332.40, 18,189,025.80 and 4,039,819.60 is: 6,060,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,332.40 : 18,189,025.80 = 4,039,819.60 : x
  2. Step 2: Convert to fraction form
    12,124,332.40/18,189,025.80 = 4,039,819.60/x
  3. Step 3: Cross multiply
    12,124,332.40x = 18,189,025.80 × 4,039,819.60
  4. Step 4: Simplify right side
    12,124,332.40x = 73,480,382,931,745.69
  5. Step 5: Solve for x
    x = 73,480,382,931,745.69/12,124,332.40
  6. Step 6: Final answer
    x = 6,060,571.46

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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.