Home / 21,956,333.50-30,299,918.25-12,166,941.16

Finding the Fourth Proportional to 21,956,333.50, 30,299,918.25 and 12,166,941.16

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Solution

The fourth proportional to 21,956,333.50, 30,299,918.25 and 12,166,941.16 is: 16,790,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,333.50 : 30,299,918.25 = 12,166,941.16 : x
  2. Step 2: Convert to fraction form
    21,956,333.50/30,299,918.25 = 12,166,941.16/x
  3. Step 3: Cross multiply
    21,956,333.50x = 30,299,918.25 × 12,166,941.16
  4. Step 4: Simplify right side
    21,956,333.50x = 368,657,322,500,560.19
  5. Step 5: Solve for x
    x = 368,657,322,500,560.19/21,956,333.50
  6. Step 6: Final answer
    x = 16,790,477.45

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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.