Home / 13,263,629.79-19,895,443.38-3,679,008.72

Finding the Fourth Proportional to 13,263,629.79, 19,895,443.38 and 3,679,008.72

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Solution

The fourth proportional to 13,263,629.79, 19,895,443.38 and 3,679,008.72 is: 5,518,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,629.79 : 19,895,443.38 = 3,679,008.72 : x
  2. Step 2: Convert to fraction form
    13,263,629.79/19,895,443.38 = 3,679,008.72/x
  3. Step 3: Cross multiply
    13,263,629.79x = 19,895,443.38 × 3,679,008.72
  4. Step 4: Simplify right side
    13,263,629.79x = 73,195,509,683,286.28
  5. Step 5: Solve for x
    x = 73,195,509,683,286.28/13,263,629.79
  6. Step 6: Final answer
    x = 5,518,512.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.