Home / 13,352,821.90-20,026,430.26-3,765,958.40

Finding the Fourth Proportional to 13,352,821.90, 20,026,430.26 and 3,765,958.40

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Solution

The fourth proportional to 13,352,821.90, 20,026,430.26 and 3,765,958.40 is: 5,648,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352,821.90 : 20,026,430.26 = 3,765,958.40 : x
  2. Step 2: Convert to fraction form
    13,352,821.90/20,026,430.26 = 3,765,958.40/x
  3. Step 3: Cross multiply
    13,352,821.90x = 20,026,430.26 × 3,765,958.40
  4. Step 4: Simplify right side
    13,352,821.90x = 75,418,703,259,661.19
  5. Step 5: Solve for x
    x = 75,418,703,259,661.19/13,352,821.90
  6. Step 6: Final answer
    x = 5,648,147.17

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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.