Home / 9,350,242.70-12,902,351.96-5,429,232.37

Finding the Fourth Proportional to 9,350,242.70, 12,902,351.96 and 5,429,232.37

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Solution

The fourth proportional to 9,350,242.70, 12,902,351.96 and 5,429,232.37 is: 7,491,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350,242.70 : 12,902,351.96 = 5,429,232.37 : x
  2. Step 2: Convert to fraction form
    9,350,242.70/12,902,351.96 = 5,429,232.37/x
  3. Step 3: Cross multiply
    9,350,242.70x = 12,902,351.96 × 5,429,232.37
  4. Step 4: Simplify right side
    9,350,242.70x = 70,049,866,818,707.02
  5. Step 5: Solve for x
    x = 70,049,866,818,707.02/9,350,242.70
  6. Step 6: Final answer
    x = 7,491,769.90

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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.