Home / 39,159,790.10-54,041,410.40-21,519,789.33

Finding the Fourth Proportional to 39,159,790.10, 54,041,410.40 and 21,519,789.33

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Solution

The fourth proportional to 39,159,790.10, 54,041,410.40 and 21,519,789.33 is: 29,697,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159,790.10 : 54,041,410.40 = 21,519,789.33 : x
  2. Step 2: Convert to fraction form
    39,159,790.10/54,041,410.40 = 21,519,789.33/x
  3. Step 3: Cross multiply
    39,159,790.10x = 54,041,410.40 × 21,519,789.33
  4. Step 4: Simplify right side
    39,159,790.10x = 1,162,959,766,796,472
  5. Step 5: Solve for x
    x = 1,162,959,766,796,472/39,159,790.10
  6. Step 6: Final answer
    x = 29,697,803.89

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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.