Home / 8,427,887.87-12,637,003.15-2,590,553.42

Finding the Fourth Proportional to 8,427,887.87, 12,637,003.15 and 2,590,553.42

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Solution

The fourth proportional to 8,427,887.87, 12,637,003.15 and 2,590,553.42 is: 3,884,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427,887.87 : 12,637,003.15 = 2,590,553.42 : x
  2. Step 2: Convert to fraction form
    8,427,887.87/12,637,003.15 = 2,590,553.42/x
  3. Step 3: Cross multiply
    8,427,887.87x = 12,637,003.15 × 2,590,553.42
  4. Step 4: Simplify right side
    8,427,887.87x = 32,736,831,728,783.27
  5. Step 5: Solve for x
    x = 32,736,831,728,783.27/8,427,887.87
  6. Step 6: Final answer
    x = 3,884,345.90

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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.