Home / 39,407,486.96-54,382,007.29-21,525,722.12

Finding the Fourth Proportional to 39,407,486.96, 54,382,007.29 and 21,525,722.12

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Solution

The fourth proportional to 39,407,486.96, 54,382,007.29 and 21,525,722.12 is: 29,705,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407,486.96 : 54,382,007.29 = 21,525,722.12 : x
  2. Step 2: Convert to fraction form
    39,407,486.96/54,382,007.29 = 21,525,722.12/x
  3. Step 3: Cross multiply
    39,407,486.96x = 54,382,007.29 × 21,525,722.12
  4. Step 4: Simplify right side
    39,407,486.96x = 1,170,611,977,252,354.25
  5. Step 5: Solve for x
    x = 1,170,611,977,252,354.25/39,407,486.96
  6. Step 6: Final answer
    x = 29,705,319.16

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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.