Home / 18,728,609.02-28,092,949.66-7,219,496.06

Finding the Fourth Proportional to 18,728,609.02, 28,092,949.66 and 7,219,496.06

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Solution

The fourth proportional to 18,728,609.02, 28,092,949.66 and 7,219,496.06 is: 10,829,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,609.02 : 28,092,949.66 = 7,219,496.06 : x
  2. Step 2: Convert to fraction form
    18,728,609.02/28,092,949.66 = 7,219,496.06/x
  3. Step 3: Cross multiply
    18,728,609.02x = 28,092,949.66 × 7,219,496.06
  4. Step 4: Simplify right side
    18,728,609.02x = 202,816,939,384,148.34
  5. Step 5: Solve for x
    x = 202,816,939,384,148.34/18,728,609.02
  6. Step 6: Final answer
    x = 10,829,258.02

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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.