Home / 7,117,158.40-9,821,725.26-3,853,973.29

Finding the Fourth Proportional to 7,117,158.40, 9,821,725.26 and 3,853,973.29

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Solution

The fourth proportional to 7,117,158.40, 9,821,725.26 and 3,853,973.29 is: 5,318,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,158.40 : 9,821,725.26 = 3,853,973.29 : x
  2. Step 2: Convert to fraction form
    7,117,158.40/9,821,725.26 = 3,853,973.29/x
  3. Step 3: Cross multiply
    7,117,158.40x = 9,821,725.26 × 3,853,973.29
  4. Step 4: Simplify right side
    7,117,158.40x = 37,852,666,813,758.30
  5. Step 5: Solve for x
    x = 37,852,666,813,758.30/7,117,158.40
  6. Step 6: Final answer
    x = 5,318,508.41

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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.