Home / 19,218,630.86-28,835,171.43-11,442,032.40

Finding the Fourth Proportional to 19,218,630.86, 28,835,171.43 and 11,442,032.40

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Solution

The fourth proportional to 19,218,630.86, 28,835,171.43 and 11,442,032.40 is: 17,167,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,630.86 : 28,835,171.43 = 11,442,032.40 : x
  2. Step 2: Convert to fraction form
    19,218,630.86/28,835,171.43 = 11,442,032.40/x
  3. Step 3: Cross multiply
    19,218,630.86x = 28,835,171.43 × 11,442,032.40
  4. Step 4: Simplify right side
    19,218,630.86x = 329,932,965,761,614.31
  5. Step 5: Solve for x
    x = 329,932,965,761,614.31/19,218,630.86
  6. Step 6: Final answer
    x = 17,167,350.17

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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.