Home / 13,444,543.12-20,081,087.96-12,163,174.96

Finding the Fourth Proportional to 13,444,543.12, 20,081,087.96 and 12,163,174.96

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Solution

The fourth proportional to 13,444,543.12, 20,081,087.96 and 12,163,174.96 is: 18,167,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,543.12 : 20,081,087.96 = 12,163,174.96 : x
  2. Step 2: Convert to fraction form
    13,444,543.12/20,081,087.96 = 12,163,174.96/x
  3. Step 3: Cross multiply
    13,444,543.12x = 20,081,087.96 × 12,163,174.96
  4. Step 4: Simplify right side
    13,444,543.12x = 244,249,786,244,629.50
  5. Step 5: Solve for x
    x = 244,249,786,244,629.50/13,444,543.12
  6. Step 6: Final answer
    x = 18,167,206.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.