Home / 18,702,665.60-28,053,998.40-6,733,846.40

Finding the Fourth Proportional to 18,702,665.60, 28,053,998.40 and 6,733,846.40

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Solution

The fourth proportional to 18,702,665.60, 28,053,998.40 and 6,733,846.40 is: 10,100,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,665.60 : 28,053,998.40 = 6,733,846.40 : x
  2. Step 2: Convert to fraction form
    18,702,665.60/28,053,998.40 = 6,733,846.40/x
  3. Step 3: Cross multiply
    18,702,665.60x = 28,053,998.40 × 6,733,846.40
  4. Step 4: Simplify right side
    18,702,665.60x = 188,911,316,131,445.75
  5. Step 5: Solve for x
    x = 188,911,316,131,445.75/18,702,665.60
  6. Step 6: Final answer
    x = 10,100,769.60

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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.