Home / 7,138,790.96-9,851,531.72-3,875,601.06

Finding the Fourth Proportional to 7,138,790.96, 9,851,531.72 and 3,875,601.06

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Solution

The fourth proportional to 7,138,790.96, 9,851,531.72 and 3,875,601.06 is: 5,348,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,790.96 : 9,851,531.72 = 3,875,601.06 : x
  2. Step 2: Convert to fraction form
    7,138,790.96/9,851,531.72 = 3,875,601.06/x
  3. Step 3: Cross multiply
    7,138,790.96x = 9,851,531.72 × 3,875,601.06
  4. Step 4: Simplify right side
    7,138,790.96x = 38,180,606,757,277.62
  5. Step 5: Solve for x
    x = 38,180,606,757,277.62/7,138,790.96
  6. Step 6: Final answer
    x = 5,348,329.57

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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.