Home / 29,005,873.20-43,461,570.60-21,353,122.80

Finding the Fourth Proportional to 29,005,873.20, 43,461,570.60 and 21,353,122.80

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Solution

The fourth proportional to 29,005,873.20, 43,461,570.60 and 21,353,122.80 is: 31,994,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005,873.20 : 43,461,570.60 = 21,353,122.80 : x
  2. Step 2: Convert to fraction form
    29,005,873.20/43,461,570.60 = 21,353,122.80/x
  3. Step 3: Cross multiply
    29,005,873.20x = 43,461,570.60 × 21,353,122.80
  4. Step 4: Simplify right side
    29,005,873.20x = 928,040,254,102,669.75
  5. Step 5: Solve for x
    x = 928,040,254,102,669.75/29,005,873.20
  6. Step 6: Final answer
    x = 31,994,908.33

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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.