Home / 30,918,922.83-42,684,678.78-23,839,053.06

Finding the Fourth Proportional to 30,918,922.83, 42,684,678.78 and 23,839,053.06

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Solution

The fourth proportional to 30,918,922.83, 42,684,678.78 and 23,839,053.06 is: 32,910,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918,922.83 : 42,684,678.78 = 23,839,053.06 : x
  2. Step 2: Convert to fraction form
    30,918,922.83/42,684,678.78 = 23,839,053.06/x
  3. Step 3: Cross multiply
    30,918,922.83x = 42,684,678.78 × 23,839,053.06
  4. Step 4: Simplify right side
    30,918,922.83x = 1,017,562,322,285,476
  5. Step 5: Solve for x
    x = 1,017,562,322,285,476/30,918,922.83
  6. Step 6: Final answer
    x = 32,910,665.35

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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.