Home / 38,643,756.70-57,972,633.45-19,426,150.30

Finding the Fourth Proportional to 38,643,756.70, 57,972,633.45 and 19,426,150.30

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Solution

The fourth proportional to 38,643,756.70, 57,972,633.45 and 19,426,150.30 is: 29,142,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643,756.70 : 57,972,633.45 = 19,426,150.30 : x
  2. Step 2: Convert to fraction form
    38,643,756.70/57,972,633.45 = 19,426,150.30/x
  3. Step 3: Cross multiply
    38,643,756.70x = 57,972,633.45 × 19,426,150.30
  4. Step 4: Simplify right side
    38,643,756.70x = 1,126,185,090,686,507.75
  5. Step 5: Solve for x
    x = 1,126,185,090,686,507.75/38,643,756.70
  6. Step 6: Final answer
    x = 29,142,743.53

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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.