Home / 25,775,133.72-35,536,665.24-21,111,739.08

Finding the Fourth Proportional to 25,775,133.72, 35,536,665.24 and 21,111,739.08

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Solution

The fourth proportional to 25,775,133.72, 35,536,665.24 and 21,111,739.08 is: 29,107,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775,133.72 : 35,536,665.24 = 21,111,739.08 : x
  2. Step 2: Convert to fraction form
    25,775,133.72/35,536,665.24 = 21,111,739.08/x
  3. Step 3: Cross multiply
    25,775,133.72x = 35,536,665.24 × 21,111,739.08
  4. Step 4: Simplify right side
    25,775,133.72x = 750,240,804,320,185.50
  5. Step 5: Solve for x
    x = 750,240,804,320,185.50/25,775,133.72
  6. Step 6: Final answer
    x = 29,107,154.69

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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.