Home / 7,681,268.71-11,520,339.10-2,821,905.07

Finding the Fourth Proportional to 7,681,268.71, 11,520,339.10 and 2,821,905.07

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Solution

The fourth proportional to 7,681,268.71, 11,520,339.10 and 2,821,905.07 is: 4,232,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,268.71 : 11,520,339.10 = 2,821,905.07 : x
  2. Step 2: Convert to fraction form
    7,681,268.71/11,520,339.10 = 2,821,905.07/x
  3. Step 3: Cross multiply
    7,681,268.71x = 11,520,339.10 × 2,821,905.07
  4. Step 4: Simplify right side
    7,681,268.71x = 32,509,303,268,142.04
  5. Step 5: Solve for x
    x = 32,509,303,268,142.04/7,681,268.71
  6. Step 6: Final answer
    x = 4,232,283.04

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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.