Home / 28,964,157.71-39,954,617.48-18,348,105.72

Finding the Fourth Proportional to 28,964,157.71, 39,954,617.48 and 18,348,105.72

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Solution

The fourth proportional to 28,964,157.71, 39,954,617.48 and 18,348,105.72 is: 25,310,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,157.71 : 39,954,617.48 = 18,348,105.72 : x
  2. Step 2: Convert to fraction form
    28,964,157.71/39,954,617.48 = 18,348,105.72/x
  3. Step 3: Cross multiply
    28,964,157.71x = 39,954,617.48 × 18,348,105.72
  4. Step 4: Simplify right side
    28,964,157.71x = 733,091,545,571,070.25
  5. Step 5: Solve for x
    x = 733,091,545,571,070.25/28,964,157.71
  6. Step 6: Final answer
    x = 25,310,300.86

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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.