Home / 20,903,499.56-31,355,564.46-7,257,079.24

Finding the Fourth Proportional to 20,903,499.56, 31,355,564.46 and 7,257,079.24

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Solution

The fourth proportional to 20,903,499.56, 31,355,564.46 and 7,257,079.24 is: 10,885,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,499.56 : 31,355,564.46 = 7,257,079.24 : x
  2. Step 2: Convert to fraction form
    20,903,499.56/31,355,564.46 = 7,257,079.24/x
  3. Step 3: Cross multiply
    20,903,499.56x = 31,355,564.46 × 7,257,079.24
  4. Step 4: Simplify right side
    20,903,499.56x = 227,549,815,901,147.81
  5. Step 5: Solve for x
    x = 227,549,815,901,147.81/20,903,499.56
  6. Step 6: Final answer
    x = 10,885,728.26

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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.