Home / 28,403,771.76-39,194,181.72-16,801,772.40

Finding the Fourth Proportional to 28,403,771.76, 39,194,181.72 and 16,801,772.40

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Solution

The fourth proportional to 28,403,771.76, 39,194,181.72 and 16,801,772.40 is: 23,184,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,771.76 : 39,194,181.72 = 16,801,772.40 : x
  2. Step 2: Convert to fraction form
    28,403,771.76/39,194,181.72 = 16,801,772.40/x
  3. Step 3: Cross multiply
    28,403,771.76x = 39,194,181.72 × 16,801,772.40
  4. Step 4: Simplify right side
    28,403,771.76x = 658,531,720,663,680.50
  5. Step 5: Solve for x
    x = 658,531,720,663,680.50/28,403,771.76
  6. Step 6: Final answer
    x = 23,184,657.52

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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.