Home / 13,872,650.40-20,808,975.60-4,288,997.70

Finding the Fourth Proportional to 13,872,650.40, 20,808,975.60 and 4,288,997.70

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Solution

The fourth proportional to 13,872,650.40, 20,808,975.60 and 4,288,997.70 is: 6,433,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,650.40 : 20,808,975.60 = 4,288,997.70 : x
  2. Step 2: Convert to fraction form
    13,872,650.40/20,808,975.60 = 4,288,997.70/x
  3. Step 3: Cross multiply
    13,872,650.40x = 20,808,975.60 × 4,288,997.70
  4. Step 4: Simplify right side
    13,872,650.40x = 89,249,648,487,756.12
  5. Step 5: Solve for x
    x = 89,249,648,487,756.12/13,872,650.40
  6. Step 6: Final answer
    x = 6,433,496.55

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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.