Home / 7,255,758.52-10,013,017.86-3,992,643.52

Finding the Fourth Proportional to 7,255,758.52, 10,013,017.86 and 3,992,643.52

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Solution

The fourth proportional to 7,255,758.52, 10,013,017.86 and 3,992,643.52 is: 5,509,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,758.52 : 10,013,017.86 = 3,992,643.52 : x
  2. Step 2: Convert to fraction form
    7,255,758.52/10,013,017.86 = 3,992,643.52/x
  3. Step 3: Cross multiply
    7,255,758.52x = 10,013,017.86 × 3,992,643.52
  4. Step 4: Simplify right side
    7,255,758.52x = 39,978,410,874,373.27
  5. Step 5: Solve for x
    x = 39,978,410,874,373.27/7,255,758.52
  6. Step 6: Final answer
    x = 5,509,887.18

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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.