Home / 18,886,234.40-28,264,033.20-11,318,631.20

Finding the Fourth Proportional to 18,886,234.40, 28,264,033.20 and 11,318,631.20

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Solution

The fourth proportional to 18,886,234.40, 28,264,033.20 and 11,318,631.20 is: 16,938,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886,234.40 : 28,264,033.20 = 11,318,631.20 : x
  2. Step 2: Convert to fraction form
    18,886,234.40/28,264,033.20 = 11,318,631.20/x
  3. Step 3: Cross multiply
    18,886,234.40x = 28,264,033.20 × 11,318,631.20
  4. Step 4: Simplify right side
    18,886,234.40x = 319,910,168,015,355.81
  5. Step 5: Solve for x
    x = 319,910,168,015,355.81/18,886,234.40
  6. Step 6: Final answer
    x = 16,938,801.10

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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.