Home / 20,227,813.52-30,335,395.80-6,761,492.24

Finding the Fourth Proportional to 20,227,813.52, 30,335,395.80 and 6,761,492.24

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Solution

The fourth proportional to 20,227,813.52, 30,335,395.80 and 6,761,492.24 is: 10,140,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,813.52 : 30,335,395.80 = 6,761,492.24 : x
  2. Step 2: Convert to fraction form
    20,227,813.52/30,335,395.80 = 6,761,492.24/x
  3. Step 3: Cross multiply
    20,227,813.52x = 30,335,395.80 × 6,761,492.24
  4. Step 4: Simplify right side
    20,227,813.52x = 205,112,543,299,028.59
  5. Step 5: Solve for x
    x = 205,112,543,299,028.59/20,227,813.52
  6. Step 6: Final answer
    x = 10,140,124.29

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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.