Home / 18,555,977.01-25,606,081.06-11,209,461.28

Finding the Fourth Proportional to 18,555,977.01, 25,606,081.06 and 11,209,461.28

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Solution

The fourth proportional to 18,555,977.01, 25,606,081.06 and 11,209,461.28 is: 15,468,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,977.01 : 25,606,081.06 = 11,209,461.28 : x
  2. Step 2: Convert to fraction form
    18,555,977.01/25,606,081.06 = 11,209,461.28/x
  3. Step 3: Cross multiply
    18,555,977.01x = 25,606,081.06 × 11,209,461.28
  4. Step 4: Simplify right side
    18,555,977.01x = 287,030,374,174,611.31
  5. Step 5: Solve for x
    x = 287,030,374,174,611.31/18,555,977.01
  6. Step 6: Final answer
    x = 15,468,351.47

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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.