Home / 14,687,246.42-20,259,955.87-9,171,044.36

Finding the Fourth Proportional to 14,687,246.42, 20,259,955.87 and 9,171,044.36

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Solution

The fourth proportional to 14,687,246.42, 20,259,955.87 and 9,171,044.36 is: 12,650,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,246.42 : 20,259,955.87 = 9,171,044.36 : x
  2. Step 2: Convert to fraction form
    14,687,246.42/20,259,955.87 = 9,171,044.36/x
  3. Step 3: Cross multiply
    14,687,246.42x = 20,259,955.87 × 9,171,044.36
  4. Step 4: Simplify right side
    14,687,246.42x = 185,804,954,015,412.41
  5. Step 5: Solve for x
    x = 185,804,954,015,412.41/14,687,246.42
  6. Step 6: Final answer
    x = 12,650,768.48

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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.