Home / 21,947,374.58-30,286,980.55-12,157,788.49

Finding the Fourth Proportional to 21,947,374.58, 30,286,980.55 and 12,157,788.49

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Solution

The fourth proportional to 21,947,374.58, 30,286,980.55 and 12,157,788.49 is: 16,777,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,374.58 : 30,286,980.55 = 12,157,788.49 : x
  2. Step 2: Convert to fraction form
    21,947,374.58/30,286,980.55 = 12,157,788.49/x
  3. Step 3: Cross multiply
    21,947,374.58x = 30,286,980.55 × 12,157,788.49
  4. Step 4: Simplify right side
    21,947,374.58x = 368,222,703,527,643.88
  5. Step 5: Solve for x
    x = 368,222,703,527,643.88/21,947,374.58
  6. Step 6: Final answer
    x = 16,777,528.55

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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.