Home / 7,883,973.20-11,825,959.80-6,289,650.20

Finding the Fourth Proportional to 7,883,973.20, 11,825,959.80 and 6,289,650.20

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Solution

The fourth proportional to 7,883,973.20, 11,825,959.80 and 6,289,650.20 is: 9,434,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,973.20 : 11,825,959.80 = 6,289,650.20 : x
  2. Step 2: Convert to fraction form
    7,883,973.20/11,825,959.80 = 6,289,650.20/x
  3. Step 3: Cross multiply
    7,883,973.20x = 11,825,959.80 × 6,289,650.20
  4. Step 4: Simplify right side
    7,883,973.20x = 74,381,150,421,261.97
  5. Step 5: Solve for x
    x = 74,381,150,421,261.97/7,883,973.20
  6. Step 6: Final answer
    x = 9,434,475.30

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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.