Home / 8,623,178.25-11,899,997.79-4,702,943.84

Finding the Fourth Proportional to 8,623,178.25, 11,899,997.79 and 4,702,943.84

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Solution

The fourth proportional to 8,623,178.25, 11,899,997.79 and 4,702,943.84 is: 6,490,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623,178.25 : 11,899,997.79 = 4,702,943.84 : x
  2. Step 2: Convert to fraction form
    8,623,178.25/11,899,997.79 = 4,702,943.84/x
  3. Step 3: Cross multiply
    8,623,178.25x = 11,899,997.79 × 4,702,943.84
  4. Step 4: Simplify right side
    8,623,178.25x = 55,965,021,242,994.12
  5. Step 5: Solve for x
    x = 55,965,021,242,994.12/8,623,178.25
  6. Step 6: Final answer
    x = 6,490,068.93

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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.