Home / 28,637,056.25-39,520,438.98-16,876,820.96

Finding the Fourth Proportional to 28,637,056.25, 39,520,438.98 and 16,876,820.96

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Solution

The fourth proportional to 28,637,056.25, 39,520,438.98 and 16,876,820.96 is: 23,290,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637,056.25 : 39,520,438.98 = 16,876,820.96 : x
  2. Step 2: Convert to fraction form
    28,637,056.25/39,520,438.98 = 16,876,820.96/x
  3. Step 3: Cross multiply
    28,637,056.25x = 39,520,438.98 × 16,876,820.96
  4. Step 4: Simplify right side
    28,637,056.25x = 666,979,372,728,462.75
  5. Step 5: Solve for x
    x = 666,979,372,728,462.75/28,637,056.25
  6. Step 6: Final answer
    x = 23,290,779.86

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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.