Home / 19,821,456.82-29,732,127.65-5,444,538.40

Finding the Fourth Proportional to 19,821,456.82, 29,732,127.65 and 5,444,538.40

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Solution

The fourth proportional to 19,821,456.82, 29,732,127.65 and 5,444,538.40 is: 8,166,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,456.82 : 29,732,127.65 = 5,444,538.40 : x
  2. Step 2: Convert to fraction form
    19,821,456.82/29,732,127.65 = 5,444,538.40/x
  3. Step 3: Cross multiply
    19,821,456.82x = 29,732,127.65 × 5,444,538.40
  4. Step 4: Simplify right side
    19,821,456.82x = 161,877,710,528,243.41
  5. Step 5: Solve for x
    x = 161,877,710,528,243.41/19,821,456.82
  6. Step 6: Final answer
    x = 8,166,791.78

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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.