Home / 13,350,521.70-18,424,082.16-7,550,170.83

Finding the Fourth Proportional to 13,350,521.70, 18,424,082.16 and 7,550,170.83

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Solution

The fourth proportional to 13,350,521.70, 18,424,082.16 and 7,550,170.83 is: 10,419,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350,521.70 : 18,424,082.16 = 7,550,170.83 : x
  2. Step 2: Convert to fraction form
    13,350,521.70/18,424,082.16 = 7,550,170.83/x
  3. Step 3: Cross multiply
    13,350,521.70x = 18,424,082.16 × 7,550,170.83
  4. Step 4: Simplify right side
    13,350,521.70x = 139,104,967,693,955.39
  5. Step 5: Solve for x
    x = 139,104,967,693,955.39/13,350,521.70
  6. Step 6: Final answer
    x = 10,419,440.59

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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.