Home / 18,460,897.07-25,492,378.79-11,503,448.64

Finding the Fourth Proportional to 18,460,897.07, 25,492,378.79 and 11,503,448.64

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Solution

The fourth proportional to 18,460,897.07, 25,492,378.79 and 11,503,448.64 is: 15,884,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460,897.07 : 25,492,378.79 = 11,503,448.64 : x
  2. Step 2: Convert to fraction form
    18,460,897.07/25,492,378.79 = 11,503,448.64/x
  3. Step 3: Cross multiply
    18,460,897.07x = 25,492,378.79 × 11,503,448.64
  4. Step 4: Simplify right side
    18,460,897.07x = 293,250,270,150,949
  5. Step 5: Solve for x
    x = 293,250,270,150,949/18,460,897.07
  6. Step 6: Final answer
    x = 15,884,941.51

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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.