Home / 10,612,980.96-15,919,783.20-2,936,688.80

Finding the Fourth Proportional to 10,612,980.96, 15,919,783.20 and 2,936,688.80

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Solution

The fourth proportional to 10,612,980.96, 15,919,783.20 and 2,936,688.80 is: 4,405,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,980.96 : 15,919,783.20 = 2,936,688.80 : x
  2. Step 2: Convert to fraction form
    10,612,980.96/15,919,783.20 = 2,936,688.80/x
  3. Step 3: Cross multiply
    10,612,980.96x = 15,919,783.20 × 2,936,688.80
  4. Step 4: Simplify right side
    10,612,980.96x = 46,751,449,021,868.16
  5. Step 5: Solve for x
    x = 46,751,449,021,868.16/10,612,980.96
  6. Step 6: Final answer
    x = 4,405,119.47

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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.