Home / 18,339,369.68-25,308,900.42-10,079,283.44

Finding the Fourth Proportional to 18,339,369.68, 25,308,900.42 and 10,079,283.44

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Solution

The fourth proportional to 18,339,369.68, 25,308,900.42 and 10,079,283.44 is: 13,909,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,369.68 : 25,308,900.42 = 10,079,283.44 : x
  2. Step 2: Convert to fraction form
    18,339,369.68/25,308,900.42 = 10,079,283.44/x
  3. Step 3: Cross multiply
    18,339,369.68x = 25,308,900.42 × 10,079,283.44
  4. Step 4: Simplify right side
    18,339,369.68x = 255,095,580,887,915.06
  5. Step 5: Solve for x
    x = 255,095,580,887,915.06/18,339,369.68
  6. Step 6: Final answer
    x = 13,909,724.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.