Home / 12,586,651.14-18,890,065.81-6,523,116.41

Finding the Fourth Proportional to 12,586,651.14, 18,890,065.81 and 6,523,116.41

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Solution

The fourth proportional to 12,586,651.14, 18,890,065.81 and 6,523,116.41 is: 9,789,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,651.14 : 18,890,065.81 = 6,523,116.41 : x
  2. Step 2: Convert to fraction form
    12,586,651.14/18,890,065.81 = 6,523,116.41/x
  3. Step 3: Cross multiply
    12,586,651.14x = 18,890,065.81 × 6,523,116.41
  4. Step 4: Simplify right side
    12,586,651.14x = 123,222,098,207,657.98
  5. Step 5: Solve for x
    x = 123,222,098,207,657.98/12,586,651.14
  6. Step 6: Final answer
    x = 9,789,903.35

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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.