Home / 20,184,638.05-27,854,799.78-11,017,280.80

Finding the Fourth Proportional to 20,184,638.05, 27,854,799.78 and 11,017,280.80

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Solution

The fourth proportional to 20,184,638.05, 27,854,799.78 and 11,017,280.80 is: 15,203,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184,638.05 : 27,854,799.78 = 11,017,280.80 : x
  2. Step 2: Convert to fraction form
    20,184,638.05/27,854,799.78 = 11,017,280.80/x
  3. Step 3: Cross multiply
    20,184,638.05x = 27,854,799.78 × 11,017,280.80
  4. Step 4: Simplify right side
    20,184,638.05x = 306,884,150,804,038.25
  5. Step 5: Solve for x
    x = 306,884,150,804,038.25/20,184,638.05
  6. Step 6: Final answer
    x = 15,203,847.11

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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.