Home / 38,739,469.87-53,462,886.26-21,335,810.48

Finding the Fourth Proportional to 38,739,469.87, 53,462,886.26 and 21,335,810.48

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Solution

The fourth proportional to 38,739,469.87, 53,462,886.26 and 21,335,810.48 is: 29,444,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,469.87 : 53,462,886.26 = 21,335,810.48 : x
  2. Step 2: Convert to fraction form
    38,739,469.87/53,462,886.26 = 21,335,810.48/x
  3. Step 3: Cross multiply
    38,739,469.87x = 53,462,886.26 × 21,335,810.48
  4. Step 4: Simplify right side
    38,739,469.87x = 1,140,674,008,957,156
  5. Step 5: Solve for x
    x = 1,140,674,008,957,156/38,739,469.87
  6. Step 6: Final answer
    x = 29,444,750.09

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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.