Home / 7,043,291.81-9,719,721.02-3,903,755.65

Finding the Fourth Proportional to 7,043,291.81, 9,719,721.02 and 3,903,755.65

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Solution

The fourth proportional to 7,043,291.81, 9,719,721.02 and 3,903,755.65 is: 5,387,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043,291.81 : 9,719,721.02 = 3,903,755.65 : x
  2. Step 2: Convert to fraction form
    7,043,291.81/9,719,721.02 = 3,903,755.65/x
  3. Step 3: Cross multiply
    7,043,291.81x = 9,719,721.02 × 3,903,755.65
  4. Step 4: Simplify right side
    7,043,291.81x = 37,943,415,848,248.76
  5. Step 5: Solve for x
    x = 37,943,415,848,248.76/7,043,291.81
  6. Step 6: Final answer
    x = 5,387,170.78

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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.