Home / 18,668,305.20-28,002,457.80-4,484,881.20

Finding the Fourth Proportional to 18,668,305.20, 28,002,457.80 and 4,484,881.20

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Solution

The fourth proportional to 18,668,305.20, 28,002,457.80 and 4,484,881.20 is: 6,727,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,305.20 : 28,002,457.80 = 4,484,881.20 : x
  2. Step 2: Convert to fraction form
    18,668,305.20/28,002,457.80 = 4,484,881.20/x
  3. Step 3: Cross multiply
    18,668,305.20x = 28,002,457.80 × 4,484,881.20
  4. Step 4: Simplify right side
    18,668,305.20x = 125,587,696,541,013.38
  5. Step 5: Solve for x
    x = 125,587,696,541,013.38/18,668,305.20
  6. Step 6: Final answer
    x = 6,727,321.80

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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.