Home / 13,372,003.80-18,453,438.90-7,260,432.30

Finding the Fourth Proportional to 13,372,003.80, 18,453,438.90 and 7,260,432.30

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Solution

The fourth proportional to 13,372,003.80, 18,453,438.90 and 7,260,432.30 is: 10,019,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,003.80 : 18,453,438.90 = 7,260,432.30 : x
  2. Step 2: Convert to fraction form
    13,372,003.80/18,453,438.90 = 7,260,432.30/x
  3. Step 3: Cross multiply
    13,372,003.80x = 18,453,438.90 × 7,260,432.30
  4. Step 4: Simplify right side
    13,372,003.80x = 133,979,943,835,636.45
  5. Step 5: Solve for x
    x = 133,979,943,835,636.45/13,372,003.80
  6. Step 6: Final answer
    x = 10,019,436.57

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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.