Home / 39,145,442.22-54,019,216.26-21,742,903.62

Finding the Fourth Proportional to 39,145,442.22, 54,019,216.26 and 21,742,903.62

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Solution

The fourth proportional to 39,145,442.22, 54,019,216.26 and 21,742,903.62 is: 30,004,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145,442.22 : 54,019,216.26 = 21,742,903.62 : x
  2. Step 2: Convert to fraction form
    39,145,442.22/54,019,216.26 = 21,742,903.62/x
  3. Step 3: Cross multiply
    39,145,442.22x = 54,019,216.26 × 21,742,903.62
  4. Step 4: Simplify right side
    39,145,442.22x = 1,174,534,612,769,116.75
  5. Step 5: Solve for x
    x = 1,174,534,612,769,116.75/39,145,442.22
  6. Step 6: Final answer
    x = 30,004,377.17

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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.