Home / 43,638,309.88-65,457,792.86-19,370,712.72

Finding the Fourth Proportional to 43,638,309.88, 65,457,792.86 and 19,370,712.72

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Solution

The fourth proportional to 43,638,309.88, 65,457,792.86 and 19,370,712.72 is: 29,056,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,309.88 : 65,457,792.86 = 19,370,712.72 : x
  2. Step 2: Convert to fraction form
    43,638,309.88/65,457,792.86 = 19,370,712.72/x
  3. Step 3: Cross multiply
    43,638,309.88x = 65,457,792.86 × 19,370,712.72
  4. Step 4: Simplify right side
    43,638,309.88x = 1,267,964,100,776,327
  5. Step 5: Solve for x
    x = 1,267,964,100,776,327/43,638,309.88
  6. Step 6: Final answer
    x = 29,056,214.69

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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.