Home / 7,291,996.80-10,937,995.20-1,973,212.80

Finding the Fourth Proportional to 7,291,996.80, 10,937,995.20 and 1,973,212.80

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Solution

The fourth proportional to 7,291,996.80, 10,937,995.20 and 1,973,212.80 is: 2,959,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291,996.80 : 10,937,995.20 = 1,973,212.80 : x
  2. Step 2: Convert to fraction form
    7,291,996.80/10,937,995.20 = 1,973,212.80/x
  3. Step 3: Cross multiply
    7,291,996.80x = 10,937,995.20 × 1,973,212.80
  4. Step 4: Simplify right side
    7,291,996.80x = 21,582,992,134,978.56
  5. Step 5: Solve for x
    x = 21,582,992,134,978.56/7,291,996.80
  6. Step 6: Final answer
    x = 2,959,819.20

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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.