Home / 18,888,322.20-28,332,483.30-14,778,511.80

Finding the Fourth Proportional to 18,888,322.20, 28,332,483.30 and 14,778,511.80

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Solution

The fourth proportional to 18,888,322.20, 28,332,483.30 and 14,778,511.80 is: 22,167,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,322.20 : 28,332,483.30 = 14,778,511.80 : x
  2. Step 2: Convert to fraction form
    18,888,322.20/28,332,483.30 = 14,778,511.80/x
  3. Step 3: Cross multiply
    18,888,322.20x = 28,332,483.30 × 14,778,511.80
  4. Step 4: Simplify right side
    18,888,322.20x = 418,711,938,772,353
  5. Step 5: Solve for x
    x = 418,711,938,772,353/18,888,322.20
  6. Step 6: Final answer
    x = 22,167,767.70

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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.