Home / 13,590,701.79-18,755,171.10-7,479,130.29

Finding the Fourth Proportional to 13,590,701.79, 18,755,171.10 and 7,479,130.29

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Solution

The fourth proportional to 13,590,701.79, 18,755,171.10 and 7,479,130.29 is: 10,321,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,701.79 : 18,755,171.10 = 7,479,130.29 : x
  2. Step 2: Convert to fraction form
    13,590,701.79/18,755,171.10 = 7,479,130.29/x
  3. Step 3: Cross multiply
    13,590,701.79x = 18,755,171.10 × 7,479,130.29
  4. Step 4: Simplify right side
    13,590,701.79x = 140,272,368,268,142.62
  5. Step 5: Solve for x
    x = 140,272,368,268,142.62/13,590,701.79
  6. Step 6: Final answer
    x = 10,321,201.25

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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.