Home / 43,638,378.27-65,457,895.53-19,370,781.11

Finding the Fourth Proportional to 43,638,378.27, 65,457,895.53 and 19,370,781.11

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Solution

The fourth proportional to 43,638,378.27, 65,457,895.53 and 19,370,781.11 is: 29,056,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,378.27 : 65,457,895.53 = 19,370,781.11 : x
  2. Step 2: Convert to fraction form
    43,638,378.27/65,457,895.53 = 19,370,781.11/x
  3. Step 3: Cross multiply
    43,638,378.27x = 65,457,895.53 × 19,370,781.11
  4. Step 4: Simplify right side
    43,638,378.27x = 1,267,970,565,905,588
  5. Step 5: Solve for x
    x = 1,267,970,565,905,588/43,638,378.27
  6. Step 6: Final answer
    x = 29,056,317.31

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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.