Home / 13,630,923.17-18,810,727.70-7,436,102.30

Finding the Fourth Proportional to 13,630,923.17, 18,810,727.70 and 7,436,102.30

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Solution

The fourth proportional to 13,630,923.17, 18,810,727.70 and 7,436,102.30 is: 10,261,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,923.17 : 18,810,727.70 = 7,436,102.30 : x
  2. Step 2: Convert to fraction form
    13,630,923.17/18,810,727.70 = 7,436,102.30/x
  3. Step 3: Cross multiply
    13,630,923.17x = 18,810,727.70 × 7,436,102.30
  4. Step 4: Simplify right side
    13,630,923.17x = 139,878,495,383,409.56
  5. Step 5: Solve for x
    x = 139,878,495,383,409.56/13,630,923.17
  6. Step 6: Final answer
    x = 10,261,850.48

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1.5x scale

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.