Home / 19,085,241.80-28,618,056.30-5,620,320.20

Finding the Fourth Proportional to 19,085,241.80, 28,618,056.30 and 5,620,320.20

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Solution

The fourth proportional to 19,085,241.80, 28,618,056.30 and 5,620,320.20 is: 8,427,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085,241.80 : 28,618,056.30 = 5,620,320.20 : x
  2. Step 2: Convert to fraction form
    19,085,241.80/28,618,056.30 = 5,620,320.20/x
  3. Step 3: Cross multiply
    19,085,241.80x = 28,618,056.30 × 5,620,320.20
  4. Step 4: Simplify right side
    19,085,241.80x = 160,842,639,907,627.28
  5. Step 5: Solve for x
    x = 160,842,639,907,627.28/19,085,241.80
  6. Step 6: Final answer
    x = 8,427,592.46

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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.