Home / 7,268,762.40-10,890,021.60-4,233,643.80

Finding the Fourth Proportional to 7,268,762.40, 10,890,021.60 and 4,233,643.80

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Solution

The fourth proportional to 7,268,762.40, 10,890,021.60 and 4,233,643.80 is: 6,342,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,762.40 : 10,890,021.60 = 4,233,643.80 : x
  2. Step 2: Convert to fraction form
    7,268,762.40/10,890,021.60 = 4,233,643.80/x
  3. Step 3: Cross multiply
    7,268,762.40x = 10,890,021.60 × 4,233,643.80
  4. Step 4: Simplify right side
    7,268,762.40x = 46,104,472,428,706.08
  5. Step 5: Solve for x
    x = 46,104,472,428,706.08/7,268,762.40
  6. Step 6: Final answer
    x = 6,342,822.88

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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.