Home / 38,709,238.37-53,418,745.76-21,068,267.27

Finding the Fourth Proportional to 38,709,238.37, 53,418,745.76 and 21,068,267.27

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Solution

The fourth proportional to 38,709,238.37, 53,418,745.76 and 21,068,267.27 is: 29,074,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,709,238.37 : 53,418,745.76 = 21,068,267.27 : x
  2. Step 2: Convert to fraction form
    38,709,238.37/53,418,745.76 = 21,068,267.27/x
  3. Step 3: Cross multiply
    38,709,238.37x = 53,418,745.76 × 21,068,267.27
  4. Step 4: Simplify right side
    38,709,238.37x = 1,125,440,412,527,424.25
  5. Step 5: Solve for x
    x = 1,125,440,412,527,424.25/38,709,238.37
  6. Step 6: Final answer
    x = 29,074,207.09

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1.5x scale

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.