Home / 16,742,489.80-25,117,233.90-5,384,086.60

Finding the Fourth Proportional to 16,742,489.80, 25,117,233.90 and 5,384,086.60

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Solution

The fourth proportional to 16,742,489.80, 25,117,233.90 and 5,384,086.60 is: 8,077,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742,489.80 : 25,117,233.90 = 5,384,086.60 : x
  2. Step 2: Convert to fraction form
    16,742,489.80/25,117,233.90 = 5,384,086.60/x
  3. Step 3: Cross multiply
    16,742,489.80x = 25,117,233.90 × 5,384,086.60
  4. Step 4: Simplify right side
    16,742,489.80x = 135,233,362,470,055.72
  5. Step 5: Solve for x
    x = 135,233,362,470,055.72/16,742,489.80
  6. Step 6: Final answer
    x = 8,077,255.18

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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.