Home / 19,321,233.08-28,981,849.64-7,190,381.48

Finding the Fourth Proportional to 19,321,233.08, 28,981,849.64 and 7,190,381.48

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Solution

The fourth proportional to 19,321,233.08, 28,981,849.64 and 7,190,381.48 is: 10,785,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,233.08 : 28,981,849.64 = 7,190,381.48 : x
  2. Step 2: Convert to fraction form
    19,321,233.08/28,981,849.64 = 7,190,381.48/x
  3. Step 3: Cross multiply
    19,321,233.08x = 28,981,849.64 × 7,190,381.48
  4. Step 4: Simplify right side
    19,321,233.08x = 208,390,554,726,739.50
  5. Step 5: Solve for x
    x = 208,390,554,726,739.50/19,321,233.08
  6. Step 6: Final answer
    x = 10,785,572.22

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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.