Home / 19,380,851.60-29,068,944.60-8,020,115.60

Finding the Fourth Proportional to 19,380,851.60, 29,068,944.60 and 8,020,115.60

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Solution

The fourth proportional to 19,380,851.60, 29,068,944.60 and 8,020,115.60 is: 12,029,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380,851.60 : 29,068,944.60 = 8,020,115.60 : x
  2. Step 2: Convert to fraction form
    19,380,851.60/29,068,944.60 = 8,020,115.60/x
  3. Step 3: Cross multiply
    19,380,851.60x = 29,068,944.60 × 8,020,115.60
  4. Step 4: Simplify right side
    19,380,851.60x = 233,136,296,061,995.75
  5. Step 5: Solve for x
    x = 233,136,296,061,995.75/19,380,851.60
  6. Step 6: Final answer
    x = 12,029,208.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.