Home / 13,372,005.80-18,453,441.66-7,260,434.30

Finding the Fourth Proportional to 13,372,005.80, 18,453,441.66 and 7,260,434.30

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Solution

The fourth proportional to 13,372,005.80, 18,453,441.66 and 7,260,434.30 is: 10,019,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,005.80 : 18,453,441.66 = 7,260,434.30 : x
  2. Step 2: Convert to fraction form
    13,372,005.80/18,453,441.66 = 7,260,434.30/x
  3. Step 3: Cross multiply
    13,372,005.80x = 18,453,441.66 × 7,260,434.30
  4. Step 4: Simplify right side
    13,372,005.80x = 133,980,000,781,312.94
  5. Step 5: Solve for x
    x = 133,980,000,781,312.94/13,372,005.80
  6. Step 6: Final answer
    x = 10,019,439.33

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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.