Home / 21,153,117.73-31,732,501.17-8,370,633.07

Finding the Fourth Proportional to 21,153,117.73, 31,732,501.17 and 8,370,633.07

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Solution

The fourth proportional to 21,153,117.73, 31,732,501.17 and 8,370,633.07 is: 12,557,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,117.73 : 31,732,501.17 = 8,370,633.07 : x
  2. Step 2: Convert to fraction form
    21,153,117.73/31,732,501.17 = 8,370,633.07/x
  3. Step 3: Cross multiply
    21,153,117.73x = 31,732,501.17 × 8,370,633.07
  4. Step 4: Simplify right side
    21,153,117.73x = 265,621,123,687,415.72
  5. Step 5: Solve for x
    x = 265,621,123,687,415.72/21,153,117.73
  6. Step 6: Final answer
    x = 12,557,067.34

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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.