Home / 40,097,355.68-55,334,881.68-21,762,860.96

Finding the Fourth Proportional to 40,097,355.68, 55,334,881.68 and 21,762,860.96

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Solution

The fourth proportional to 40,097,355.68, 55,334,881.68 and 21,762,860.96 is: 30,033,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097,355.68 : 55,334,881.68 = 21,762,860.96 : x
  2. Step 2: Convert to fraction form
    40,097,355.68/55,334,881.68 = 21,762,860.96/x
  3. Step 3: Cross multiply
    40,097,355.68x = 55,334,881.68 × 21,762,860.96
  4. Step 4: Simplify right side
    40,097,355.68x = 1,204,245,336,239,891.25
  5. Step 5: Solve for x
    x = 1,204,245,336,239,891.25/40,097,355.68
  6. Step 6: Final answer
    x = 30,033,036.24

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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.