Home / 13,166,642.49-18,171,473.63-7,366,893.45

Finding the Fourth Proportional to 13,166,642.49, 18,171,473.63 and 7,366,893.45

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Solution

The fourth proportional to 13,166,642.49, 18,171,473.63 and 7,366,893.45 is: 10,167,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,642.49 : 18,171,473.63 = 7,366,893.45 : x
  2. Step 2: Convert to fraction form
    13,166,642.49/18,171,473.63 = 7,366,893.45/x
  3. Step 3: Cross multiply
    13,166,642.49x = 18,171,473.63 × 7,366,893.45
  4. Step 4: Simplify right side
    13,166,642.49x = 133,867,310,024,860.27
  5. Step 5: Solve for x
    x = 133,867,310,024,860.27/13,166,642.49
  6. Step 6: Final answer
    x = 10,167,156.14

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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.