Home / 13,305,548.10-19,958,322.15-11,959,230.90

Finding the Fourth Proportional to 13,305,548.10, 19,958,322.15 and 11,959,230.90

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Solution

The fourth proportional to 13,305,548.10, 19,958,322.15 and 11,959,230.90 is: 17,938,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,548.10 : 19,958,322.15 = 11,959,230.90 : x
  2. Step 2: Convert to fraction form
    13,305,548.10/19,958,322.15 = 11,959,230.90/x
  3. Step 3: Cross multiply
    13,305,548.10x = 19,958,322.15 × 11,959,230.90
  4. Step 4: Simplify right side
    13,305,548.10x = 238,686,182,968,434.44
  5. Step 5: Solve for x
    x = 238,686,182,968,434.44/13,305,548.10
  6. Step 6: Final answer
    x = 17,938,846.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.