Home / 7,828,825.20-11,739,395.84-3,216,975.98

Finding the Fourth Proportional to 7,828,825.20, 11,739,395.84 and 3,216,975.98

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Solution

The fourth proportional to 7,828,825.20, 11,739,395.84 and 3,216,975.98 is: 4,823,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,825.20 : 11,739,395.84 = 3,216,975.98 : x
  2. Step 2: Convert to fraction form
    7,828,825.20/11,739,395.84 = 3,216,975.98/x
  3. Step 3: Cross multiply
    7,828,825.20x = 11,739,395.84 × 3,216,975.98
  4. Step 4: Simplify right side
    7,828,825.20x = 37,765,354,362,210.07
  5. Step 5: Solve for x
    x = 37,765,354,362,210.07/7,828,825.20
  6. Step 6: Final answer
    x = 4,823,885.24

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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.