Home / 13,235,881.01-18,262,682.15-7,726,755.69

Finding the Fourth Proportional to 13,235,881.01, 18,262,682.15 and 7,726,755.69

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Solution

The fourth proportional to 13,235,881.01, 18,262,682.15 and 7,726,755.69 is: 10,661,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,881.01 : 18,262,682.15 = 7,726,755.69 : x
  2. Step 2: Convert to fraction form
    13,235,881.01/18,262,682.15 = 7,726,755.69/x
  3. Step 3: Cross multiply
    13,235,881.01x = 18,262,682.15 × 7,726,755.69
  4. Step 4: Simplify right side
    13,235,881.01x = 141,111,283,178,540.16
  5. Step 5: Solve for x
    x = 141,111,283,178,540.16/13,235,881.01
  6. Step 6: Final answer
    x = 10,661,268.65

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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.