Home / 12,126,261.06-18,178,632.46-4,448,139.77

Finding the Fourth Proportional to 12,126,261.06, 18,178,632.46 and 4,448,139.77

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Solution

The fourth proportional to 12,126,261.06, 18,178,632.46 and 4,448,139.77 is: 6,668,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,261.06 : 18,178,632.46 = 4,448,139.77 : x
  2. Step 2: Convert to fraction form
    12,126,261.06/18,178,632.46 = 4,448,139.77/x
  3. Step 3: Cross multiply
    12,126,261.06x = 18,178,632.46 × 4,448,139.77
  4. Step 4: Simplify right side
    12,126,261.06x = 80,861,098,060,545.69
  5. Step 5: Solve for x
    x = 80,861,098,060,545.69/12,126,261.06
  6. Step 6: Final answer
    x = 6,668,263.01

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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.