Home / 12,296,664.51-16,970,893.20-7,140,025.90

Finding the Fourth Proportional to 12,296,664.51, 16,970,893.20 and 7,140,025.90

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Solution

The fourth proportional to 12,296,664.51, 16,970,893.20 and 7,140,025.90 is: 9,854,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,664.51 : 16,970,893.20 = 7,140,025.90 : x
  2. Step 2: Convert to fraction form
    12,296,664.51/16,970,893.20 = 7,140,025.90/x
  3. Step 3: Cross multiply
    12,296,664.51x = 16,970,893.20 × 7,140,025.90
  4. Step 4: Simplify right side
    12,296,664.51x = 121,172,617,015,347.50
  5. Step 5: Solve for x
    x = 121,172,617,015,347.50/12,296,664.51
  6. Step 6: Final answer
    x = 9,854,104.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.