Home / 14,609,682-20,161,430.28-8,171,154

Finding the Fourth Proportional to 14,609,682, 20,161,430.28 and 8,171,154

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Solution

The fourth proportional to 14,609,682, 20,161,430.28 and 8,171,154 is: 11,276,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609,682 : 20,161,430.28 = 8,171,154 : x
  2. Step 2: Convert to fraction form
    14,609,682/20,161,430.28 = 8,171,154/x
  3. Step 3: Cross multiply
    14,609,682x = 20,161,430.28 × 8,171,154
  4. Step 4: Simplify right side
    14,609,682x = 164,742,151,678,143.12
  5. Step 5: Solve for x
    x = 164,742,151,678,143.12/14,609,682
  6. Step 6: Final answer
    x = 11,276,231.18

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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.