Home / 13,381,504.56-18,466,564.68-7,269,931.44

Finding the Fourth Proportional to 13,381,504.56, 18,466,564.68 and 7,269,931.44

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Solution

The fourth proportional to 13,381,504.56, 18,466,564.68 and 7,269,931.44 is: 10,032,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,504.56 : 18,466,564.68 = 7,269,931.44 : x
  2. Step 2: Convert to fraction form
    13,381,504.56/18,466,564.68 = 7,269,931.44/x
  3. Step 3: Cross multiply
    13,381,504.56x = 18,466,564.68 × 7,269,931.44
  4. Step 4: Simplify right side
    13,381,504.56x = 134,250,659,155,925.55
  5. Step 5: Solve for x
    x = 134,250,659,155,925.55/13,381,504.56
  6. Step 6: Final answer
    x = 10,032,553.41

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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.