Home / 13,625,679.24-18,783,905.94-10,720,038.60

Finding the Fourth Proportional to 13,625,679.24, 18,783,905.94 and 10,720,038.60

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Solution

The fourth proportional to 13,625,679.24, 18,783,905.94 and 10,720,038.60 is: 14,778,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,679.24 : 18,783,905.94 = 10,720,038.60 : x
  2. Step 2: Convert to fraction form
    13,625,679.24/18,783,905.94 = 10,720,038.60/x
  3. Step 3: Cross multiply
    13,625,679.24x = 18,783,905.94 × 10,720,038.60
  4. Step 4: Simplify right side
    13,625,679.24x = 201,364,196,735,569.28
  5. Step 5: Solve for x
    x = 201,364,196,735,569.28/13,625,679.24
  6. Step 6: Final answer
    x = 14,778,286.88

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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.