Home / 14,609,686-20,161,435.80-8,171,158

Finding the Fourth Proportional to 14,609,686, 20,161,435.80 and 8,171,158

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Solution

The fourth proportional to 14,609,686, 20,161,435.80 and 8,171,158 is: 11,276,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609,686 : 20,161,435.80 = 8,171,158 : x
  2. Step 2: Convert to fraction form
    14,609,686/20,161,435.80 = 8,171,158/x
  3. Step 3: Cross multiply
    14,609,686x = 20,161,435.80 × 8,171,158
  4. Step 4: Simplify right side
    14,609,686x = 164,742,277,428,656.41
  5. Step 5: Solve for x
    x = 164,742,277,428,656.41/14,609,686
  6. Step 6: Final answer
    x = 11,276,236.70

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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.