Home / 13,095,199.88-18,070,511.24-7,865,100.33

Finding the Fourth Proportional to 13,095,199.88, 18,070,511.24 and 7,865,100.33

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Solution

The fourth proportional to 13,095,199.88, 18,070,511.24 and 7,865,100.33 is: 10,853,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095,199.88 : 18,070,511.24 = 7,865,100.33 : x
  2. Step 2: Convert to fraction form
    13,095,199.88/18,070,511.24 = 7,865,100.33/x
  3. Step 3: Cross multiply
    13,095,199.88x = 18,070,511.24 × 7,865,100.33
  4. Step 4: Simplify right side
    13,095,199.88x = 142,126,383,826,640.16
  5. Step 5: Solve for x
    x = 142,126,383,826,640.16/13,095,199.88
  6. Step 6: Final answer
    x = 10,853,319.16

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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.