Home / 18,173,054.71-25,078,975.67-9,913,153.69

Finding the Fourth Proportional to 18,173,054.71, 25,078,975.67 and 9,913,153.69

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Solution

The fourth proportional to 18,173,054.71, 25,078,975.67 and 9,913,153.69 is: 13,680,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,054.71 : 25,078,975.67 = 9,913,153.69 : x
  2. Step 2: Convert to fraction form
    18,173,054.71/25,078,975.67 = 9,913,153.69/x
  3. Step 3: Cross multiply
    18,173,054.71x = 25,078,975.67 × 9,913,153.69
  4. Step 4: Simplify right side
    18,173,054.71x = 248,611,740,204,480.72
  5. Step 5: Solve for x
    x = 248,611,740,204,480.72/18,173,054.71
  6. Step 6: Final answer
    x = 13,680,239.46

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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.