Home / 7,043,290.81-9,719,719.64-3,903,754.65

Finding the Fourth Proportional to 7,043,290.81, 9,719,719.64 and 3,903,754.65

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Solution

The fourth proportional to 7,043,290.81, 9,719,719.64 and 3,903,754.65 is: 5,387,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043,290.81 : 9,719,719.64 = 3,903,754.65 : x
  2. Step 2: Convert to fraction form
    7,043,290.81/9,719,719.64 = 3,903,754.65/x
  3. Step 3: Cross multiply
    7,043,290.81x = 9,719,719.64 × 3,903,754.65
  4. Step 4: Simplify right side
    7,043,290.81x = 37,943,400,754,691.11
  5. Step 5: Solve for x
    x = 37,943,400,754,691.11/7,043,290.81
  6. Step 6: Final answer
    x = 5,387,169.41

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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.