Home / 13,409,037.12-18,504,116.64-7,297,334.40

Finding the Fourth Proportional to 13,409,037.12, 18,504,116.64 and 7,297,334.40

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Solution

The fourth proportional to 13,409,037.12, 18,504,116.64 and 7,297,334.40 is: 10,070,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,037.12 : 18,504,116.64 = 7,297,334.40 : x
  2. Step 2: Convert to fraction form
    13,409,037.12/18,504,116.64 = 7,297,334.40/x
  3. Step 3: Cross multiply
    13,409,037.12x = 18,504,116.64 × 7,297,334.40
  4. Step 4: Simplify right side
    13,409,037.12x = 135,030,726,898,684.42
  5. Step 5: Solve for x
    x = 135,030,726,898,684.42/13,409,037.12
  6. Step 6: Final answer
    x = 10,070,128.50

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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.