Home / 7,959,620.64-11,939,430.96-1,975,988.64

Finding the Fourth Proportional to 7,959,620.64, 11,939,430.96 and 1,975,988.64

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Solution

The fourth proportional to 7,959,620.64, 11,939,430.96 and 1,975,988.64 is: 2,963,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959,620.64 : 11,939,430.96 = 1,975,988.64 : x
  2. Step 2: Convert to fraction form
    7,959,620.64/11,939,430.96 = 1,975,988.64/x
  3. Step 3: Cross multiply
    7,959,620.64x = 11,939,430.96 × 1,975,988.64
  4. Step 4: Simplify right side
    7,959,620.64x = 23,592,179,945,024.30
  5. Step 5: Solve for x
    x = 23,592,179,945,024.30/7,959,620.64
  6. Step 6: Final answer
    x = 2,963,982.96

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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.