Home / 18,460,905.08-25,492,389.84-11,503,456.64

Finding the Fourth Proportional to 18,460,905.08, 25,492,389.84 and 11,503,456.64

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Solution

The fourth proportional to 18,460,905.08, 25,492,389.84 and 11,503,456.64 is: 15,884,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460,905.08 : 25,492,389.84 = 11,503,456.64 : x
  2. Step 2: Convert to fraction form
    18,460,905.08/25,492,389.84 = 11,503,456.64/x
  3. Step 3: Cross multiply
    18,460,905.08x = 25,492,389.84 × 11,503,456.64
  4. Step 4: Simplify right side
    18,460,905.08x = 293,250,601,174,416.56
  5. Step 5: Solve for x
    x = 293,250,601,174,416.56/18,460,905.08
  6. Step 6: Final answer
    x = 15,884,952.55

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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.