Home / 35,737,369.77-53,470,780.19-21,172,108.94

Finding the Fourth Proportional to 35,737,369.77, 53,470,780.19 and 21,172,108.94

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Solution

The fourth proportional to 35,737,369.77, 53,470,780.19 and 21,172,108.94 is: 31,678,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,737,369.77 : 53,470,780.19 = 21,172,108.94 : x
  2. Step 2: Convert to fraction form
    35,737,369.77/53,470,780.19 = 21,172,108.94/x
  3. Step 3: Cross multiply
    35,737,369.77x = 53,470,780.19 × 21,172,108.94
  4. Step 4: Simplify right side
    35,737,369.77x = 1,132,089,182,916,259.50
  5. Step 5: Solve for x
    x = 1,132,089,182,916,259.50/35,737,369.77
  6. Step 6: Final answer
    x = 31,678,021.92

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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.