Home / 12,361,703.60-18,550,428.60-7,244,123.60

Finding the Fourth Proportional to 12,361,703.60, 18,550,428.60 and 7,244,123.60

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Solution

The fourth proportional to 12,361,703.60, 18,550,428.60 and 7,244,123.60 is: 10,870,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,703.60 : 18,550,428.60 = 7,244,123.60 : x
  2. Step 2: Convert to fraction form
    12,361,703.60/18,550,428.60 = 7,244,123.60/x
  3. Step 3: Cross multiply
    12,361,703.60x = 18,550,428.60 × 7,244,123.60
  4. Step 4: Simplify right side
    12,361,703.60x = 134,381,597,611,374.97
  5. Step 5: Solve for x
    x = 134,381,597,611,374.97/12,361,703.60
  6. Step 6: Final answer
    x = 10,870,799.20

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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.