Home / 20,977,813-31,463,730.19-6,600,507.27

Finding the Fourth Proportional to 20,977,813, 31,463,730.19 and 6,600,507.27

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Solution

The fourth proportional to 20,977,813, 31,463,730.19 and 6,600,507.27 is: 9,899,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,977,813 : 31,463,730.19 = 6,600,507.27 : x
  2. Step 2: Convert to fraction form
    20,977,813/31,463,730.19 = 6,600,507.27/x
  3. Step 3: Cross multiply
    20,977,813x = 31,463,730.19 × 6,600,507.27
  4. Step 4: Simplify right side
    20,977,813x = 207,676,579,860,413.47
  5. Step 5: Solve for x
    x = 207,676,579,860,413.47/20,977,813
  6. Step 6: Final answer
    x = 9,899,820.34

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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.