Home / 13,093,331.45-18,068,802.92-7,589,898.53

Finding the Fourth Proportional to 13,093,331.45, 18,068,802.92 and 7,589,898.53

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Solution

The fourth proportional to 13,093,331.45, 18,068,802.92 and 7,589,898.53 is: 10,474,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093,331.45 : 18,068,802.92 = 7,589,898.53 : x
  2. Step 2: Convert to fraction form
    13,093,331.45/18,068,802.92 = 7,589,898.53/x
  3. Step 3: Cross multiply
    13,093,331.45x = 18,068,802.92 × 7,589,898.53
  4. Step 4: Simplify right side
    13,093,331.45x = 137,140,380,689,294.31
  5. Step 5: Solve for x
    x = 137,140,380,689,294.31/13,093,331.45
  6. Step 6: Final answer
    x = 10,474,063.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.