Home / 7,374,300.78-11,065,416.93-7,105,887.84

Finding the Fourth Proportional to 7,374,300.78, 11,065,416.93 and 7,105,887.84

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Solution

The fourth proportional to 7,374,300.78, 11,065,416.93 and 7,105,887.84 is: 10,662,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374,300.78 : 11,065,416.93 = 7,105,887.84 : x
  2. Step 2: Convert to fraction form
    7,374,300.78/11,065,416.93 = 7,105,887.84/x
  3. Step 3: Cross multiply
    7,374,300.78x = 11,065,416.93 × 7,105,887.84
  4. Step 4: Simplify right side
    7,374,300.78x = 78,629,611,552,090.05
  5. Step 5: Solve for x
    x = 78,629,611,552,090.05/7,374,300.78
  6. Step 6: Final answer
    x = 10,662,653.17

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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.