Home / 28,420,561.44-39,218,005.44-16,029,972

Finding the Fourth Proportional to 28,420,561.44, 39,218,005.44 and 16,029,972

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Solution

The fourth proportional to 28,420,561.44, 39,218,005.44 and 16,029,972 is: 22,120,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,561.44 : 39,218,005.44 = 16,029,972 : x
  2. Step 2: Convert to fraction form
    28,420,561.44/39,218,005.44 = 16,029,972/x
  3. Step 3: Cross multiply
    28,420,561.44x = 39,218,005.44 × 16,029,972
  4. Step 4: Simplify right side
    28,420,561.44x = 628,663,529,099,047.62
  5. Step 5: Solve for x
    x = 628,663,529,099,047.62/28,420,561.44
  6. Step 6: Final answer
    x = 22,120,024.98

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1.5x scale

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.