Home / 21,977,999.70-32,904,013.95-21,348,143.70

Finding the Fourth Proportional to 21,977,999.70, 32,904,013.95 and 21,348,143.70

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Solution

The fourth proportional to 21,977,999.70, 32,904,013.95 and 21,348,143.70 is: 31,961,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977,999.70 : 32,904,013.95 = 21,348,143.70 : x
  2. Step 2: Convert to fraction form
    21,977,999.70/32,904,013.95 = 21,348,143.70/x
  3. Step 3: Cross multiply
    21,977,999.70x = 32,904,013.95 × 21,348,143.70
  4. Step 4: Simplify right side
    21,977,999.70x = 702,439,618,111,404.62
  5. Step 5: Solve for x
    x = 702,439,618,111,404.62/21,977,999.70
  6. Step 6: Final answer
    x = 31,961,035.02

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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.