Home / 38,786,012.50-53,525,109.54-21,382,980.52

Finding the Fourth Proportional to 38,786,012.50, 53,525,109.54 and 21,382,980.52

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Solution

The fourth proportional to 38,786,012.50, 53,525,109.54 and 21,382,980.52 is: 29,508,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786,012.50 : 53,525,109.54 = 21,382,980.52 : x
  2. Step 2: Convert to fraction form
    38,786,012.50/53,525,109.54 = 21,382,980.52/x
  3. Step 3: Cross multiply
    38,786,012.50x = 53,525,109.54 × 21,382,980.52
  4. Step 4: Simplify right side
    38,786,012.50x = 1,144,526,374,624,686
  5. Step 5: Solve for x
    x = 1,144,526,374,624,686/38,786,012.50
  6. Step 6: Final answer
    x = 29,508,740.42

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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.