Home / 21,865,789.08-30,174,611.94-12,076,904.25

Finding the Fourth Proportional to 21,865,789.08, 30,174,611.94 and 12,076,904.25

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Solution

The fourth proportional to 21,865,789.08, 30,174,611.94 and 12,076,904.25 is: 16,666,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865,789.08 : 30,174,611.94 = 12,076,904.25 : x
  2. Step 2: Convert to fraction form
    21,865,789.08/30,174,611.94 = 12,076,904.25/x
  3. Step 3: Cross multiply
    21,865,789.08x = 30,174,611.94 × 12,076,904.25
  4. Step 4: Simplify right side
    21,865,789.08x = 364,415,899,180,286.75
  5. Step 5: Solve for x
    x = 364,415,899,180,286.75/21,865,789.08
  6. Step 6: Final answer
    x = 16,666,030.11

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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.