Home / 7,143,417.34-9,858,099.28-3,880,418.81

Finding the Fourth Proportional to 7,143,417.34, 9,858,099.28 and 3,880,418.81

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Solution

The fourth proportional to 7,143,417.34, 9,858,099.28 and 3,880,418.81 is: 5,355,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,417.34 : 9,858,099.28 = 3,880,418.81 : x
  2. Step 2: Convert to fraction form
    7,143,417.34/9,858,099.28 = 3,880,418.81/x
  3. Step 3: Cross multiply
    7,143,417.34x = 9,858,099.28 × 3,880,418.81
  4. Step 4: Simplify right side
    7,143,417.34x = 38,253,553,825,243.70
  5. Step 5: Solve for x
    x = 38,253,553,825,243.70/7,143,417.34
  6. Step 6: Final answer
    x = 5,355,077.55

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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.