Home / 12,047,543.82-18,078,496.52-4,371,787.62

Finding the Fourth Proportional to 12,047,543.82, 18,078,496.52 and 4,371,787.62

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Solution

The fourth proportional to 12,047,543.82, 18,078,496.52 and 4,371,787.62 is: 6,560,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,543.82 : 18,078,496.52 = 4,371,787.62 : x
  2. Step 2: Convert to fraction form
    12,047,543.82/18,078,496.52 = 4,371,787.62/x
  3. Step 3: Cross multiply
    12,047,543.82x = 18,078,496.52 × 4,371,787.62
  4. Step 4: Simplify right side
    12,047,543.82x = 79,035,347,252,490.16
  5. Step 5: Solve for x
    x = 79,035,347,252,490.16/12,047,543.82
  6. Step 6: Final answer
    x = 6,560,287.18

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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.