Home / 43,638,379.27-65,457,897.03-19,370,782.11

Finding the Fourth Proportional to 43,638,379.27, 65,457,897.03 and 19,370,782.11

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Solution

The fourth proportional to 43,638,379.27, 65,457,897.03 and 19,370,782.11 is: 29,056,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,379.27 : 65,457,897.03 = 19,370,782.11 : x
  2. Step 2: Convert to fraction form
    43,638,379.27/65,457,897.03 = 19,370,782.11/x
  3. Step 3: Cross multiply
    43,638,379.27x = 65,457,897.03 × 19,370,782.11
  4. Step 4: Simplify right side
    43,638,379.27x = 1,267,970,660,746,946
  5. Step 5: Solve for x
    x = 1,267,970,660,746,946/43,638,379.27
  6. Step 6: Final answer
    x = 29,056,318.82

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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.