Home / 19,419,405.60-29,136,106.80-8,068,000.80

Finding the Fourth Proportional to 19,419,405.60, 29,136,106.80 and 8,068,000.80

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Solution

The fourth proportional to 19,419,405.60, 29,136,106.80 and 8,068,000.80 is: 12,104,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,405.60 : 29,136,106.80 = 8,068,000.80 : x
  2. Step 2: Convert to fraction form
    19,419,405.60/29,136,106.80 = 8,068,000.80/x
  3. Step 3: Cross multiply
    19,419,405.60x = 29,136,106.80 × 8,068,000.80
  4. Step 4: Simplify right side
    19,419,405.60x = 235,070,132,971,285.44
  5. Step 5: Solve for x
    x = 235,070,132,971,285.44/19,419,405.60
  6. Step 6: Final answer
    x = 12,104,908.76

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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.