Home / 13,652,591.10-18,840,639.86-7,457,723.60

Finding the Fourth Proportional to 13,652,591.10, 18,840,639.86 and 7,457,723.60

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Solution

The fourth proportional to 13,652,591.10, 18,840,639.86 and 7,457,723.60 is: 10,291,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,591.10 : 18,840,639.86 = 7,457,723.60 : x
  2. Step 2: Convert to fraction form
    13,652,591.10/18,840,639.86 = 7,457,723.60/x
  3. Step 3: Cross multiply
    13,652,591.10x = 18,840,639.86 × 7,457,723.60
  4. Step 4: Simplify right side
    13,652,591.10x = 140,508,284,588,768.61
  5. Step 5: Solve for x
    x = 140,508,284,588,768.61/13,652,591.10
  6. Step 6: Final answer
    x = 10,291,693.61

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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.