Home / 13,095,201.38-18,070,513.30-7,865,101.82

Finding the Fourth Proportional to 13,095,201.38, 18,070,513.30 and 7,865,101.82

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Solution

The fourth proportional to 13,095,201.38, 18,070,513.30 and 7,865,101.82 is: 10,853,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095,201.38 : 18,070,513.30 = 7,865,101.82 : x
  2. Step 2: Convert to fraction form
    13,095,201.38/18,070,513.30 = 7,865,101.82/x
  3. Step 3: Cross multiply
    13,095,201.38x = 18,070,513.30 × 7,865,101.82
  4. Step 4: Simplify right side
    13,095,201.38x = 142,126,427,044,164.22
  5. Step 5: Solve for x
    x = 142,126,427,044,164.22/13,095,201.38
  6. Step 6: Final answer
    x = 10,853,321.22

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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.