Home / 13,689,133.50-20,553,886.26-7,635,692.46

Finding the Fourth Proportional to 13,689,133.50, 20,553,886.26 and 7,635,692.46

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Solution

The fourth proportional to 13,689,133.50, 20,553,886.26 and 7,635,692.46 is: 11,464,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,133.50 : 20,553,886.26 = 7,635,692.46 : x
  2. Step 2: Convert to fraction form
    13,689,133.50/20,553,886.26 = 7,635,692.46/x
  3. Step 3: Cross multiply
    13,689,133.50x = 20,553,886.26 × 7,635,692.46
  4. Step 4: Simplify right side
    13,689,133.50x = 156,943,154,339,179.62
  5. Step 5: Solve for x
    x = 156,943,154,339,179.62/13,689,133.50
  6. Step 6: Final answer
    x = 11,464,798.29

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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.