Home / 10,101,478.53-13,940,039.84-5,455,263.12

Finding the Fourth Proportional to 10,101,478.53, 13,940,039.84 and 5,455,263.12

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Solution

The fourth proportional to 10,101,478.53, 13,940,039.84 and 5,455,263.12 is: 7,528,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101,478.53 : 13,940,039.84 = 5,455,263.12 : x
  2. Step 2: Convert to fraction form
    10,101,478.53/13,940,039.84 = 5,455,263.12/x
  3. Step 3: Cross multiply
    10,101,478.53x = 13,940,039.84 × 5,455,263.12
  4. Step 4: Simplify right side
    10,101,478.53x = 76,046,585,160,782.50
  5. Step 5: Solve for x
    x = 76,046,585,160,782.50/10,101,478.53
  6. Step 6: Final answer
    x = 7,528,262.81

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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.