Home / 7,239,551.12-9,992,320.43-4,143,869.23

Finding the Fourth Proportional to 7,239,551.12, 9,992,320.43 and 4,143,869.23

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Solution

The fourth proportional to 7,239,551.12, 9,992,320.43 and 4,143,869.23 is: 5,719,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,551.12 : 9,992,320.43 = 4,143,869.23 : x
  2. Step 2: Convert to fraction form
    7,239,551.12/9,992,320.43 = 4,143,869.23/x
  3. Step 3: Cross multiply
    7,239,551.12x = 9,992,320.43 × 4,143,869.23
  4. Step 4: Simplify right side
    7,239,551.12x = 41,406,869,162,522.09
  5. Step 5: Solve for x
    x = 41,406,869,162,522.09/7,239,551.12
  6. Step 6: Final answer
    x = 5,719,535.43

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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.