Home / 9,868,378.37-13,614,236.60-7,689,138.17

Finding the Fourth Proportional to 9,868,378.37, 13,614,236.60 and 7,689,138.17

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Solution

The fourth proportional to 9,868,378.37, 13,614,236.60 and 7,689,138.17 is: 10,607,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,378.37 : 13,614,236.60 = 7,689,138.17 : x
  2. Step 2: Convert to fraction form
    9,868,378.37/13,614,236.60 = 7,689,138.17/x
  3. Step 3: Cross multiply
    9,868,378.37x = 13,614,236.60 × 7,689,138.17
  4. Step 4: Simplify right side
    9,868,378.37x = 104,681,746,189,954.16
  5. Step 5: Solve for x
    x = 104,681,746,189,954.16/9,868,378.37
  6. Step 6: Final answer
    x = 10,607,796.17

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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.