Home / 13,350,525.27-18,424,087.16-7,550,174.40

Finding the Fourth Proportional to 13,350,525.27, 18,424,087.16 and 7,550,174.40

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Solution

The fourth proportional to 13,350,525.27, 18,424,087.16 and 7,550,174.40 is: 10,419,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350,525.27 : 18,424,087.16 = 7,550,174.40 : x
  2. Step 2: Convert to fraction form
    13,350,525.27/18,424,087.16 = 7,550,174.40/x
  3. Step 3: Cross multiply
    13,350,525.27x = 18,424,087.16 × 7,550,174.40
  4. Step 4: Simplify right side
    13,350,525.27x = 139,105,071,218,800.72
  5. Step 5: Solve for x
    x = 139,105,071,218,800.72/13,350,525.27
  6. Step 6: Final answer
    x = 10,419,445.56

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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.