Home / 19,174,139.80-28,761,209.70-17,438,536.60

Finding the Fourth Proportional to 19,174,139.80, 28,761,209.70 and 17,438,536.60

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Solution

The fourth proportional to 19,174,139.80, 28,761,209.70 and 17,438,536.60 is: 26,157,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,139.80 : 28,761,209.70 = 17,438,536.60 : x
  2. Step 2: Convert to fraction form
    19,174,139.80/28,761,209.70 = 17,438,536.60/x
  3. Step 3: Cross multiply
    19,174,139.80x = 28,761,209.70 × 17,438,536.60
  4. Step 4: Simplify right side
    19,174,139.80x = 501,553,408,013,725.06
  5. Step 5: Solve for x
    x = 501,553,408,013,725.06/19,174,139.80
  6. Step 6: Final answer
    x = 26,157,804.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.