Home / 13,073,429.80-19,610,144.70-12,485,564.20

Finding the Fourth Proportional to 13,073,429.80, 19,610,144.70 and 12,485,564.20

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Solution

The fourth proportional to 13,073,429.80, 19,610,144.70 and 12,485,564.20 is: 18,728,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073,429.80 : 19,610,144.70 = 12,485,564.20 : x
  2. Step 2: Convert to fraction form
    13,073,429.80/19,610,144.70 = 12,485,564.20/x
  3. Step 3: Cross multiply
    13,073,429.80x = 19,610,144.70 × 12,485,564.20
  4. Step 4: Simplify right side
    13,073,429.80x = 244,843,720,623,139.72
  5. Step 5: Solve for x
    x = 244,843,720,623,139.72/13,073,429.80
  6. Step 6: Final answer
    x = 18,728,346.30

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1.5x scale

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.