Home / 38,478,515.14-53,101,210.04-21,958,310.80

Finding the Fourth Proportional to 38,478,515.14, 53,101,210.04 and 21,958,310.80

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Solution

The fourth proportional to 38,478,515.14, 53,101,210.04 and 21,958,310.80 is: 30,302,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478,515.14 : 53,101,210.04 = 21,958,310.80 : x
  2. Step 2: Convert to fraction form
    38,478,515.14/53,101,210.04 = 21,958,310.80/x
  3. Step 3: Cross multiply
    38,478,515.14x = 53,101,210.04 × 21,958,310.80
  4. Step 4: Simplify right side
    38,478,515.14x = 1,166,012,873,914,400.50
  5. Step 5: Solve for x
    x = 1,166,012,873,914,400.50/38,478,515.14
  6. Step 6: Final answer
    x = 30,302,959.19

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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.