Home / 13,646,209.55-18,831,694.30-7,451,212.35

Finding the Fourth Proportional to 13,646,209.55, 18,831,694.30 and 7,451,212.35

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Solution

The fourth proportional to 13,646,209.55, 18,831,694.30 and 7,451,212.35 is: 10,282,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,209.55 : 18,831,694.30 = 7,451,212.35 : x
  2. Step 2: Convert to fraction form
    13,646,209.55/18,831,694.30 = 7,451,212.35/x
  3. Step 3: Cross multiply
    13,646,209.55x = 18,831,694.30 × 7,451,212.35
  4. Step 4: Simplify right side
    13,646,209.55x = 140,318,953,180,524.36
  5. Step 5: Solve for x
    x = 140,318,953,180,524.36/13,646,209.55
  6. Step 6: Final answer
    x = 10,282,632.16

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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.