Home / 12,601,511.15-18,888,980.70-4,922,188.70

Finding the Fourth Proportional to 12,601,511.15, 18,888,980.70 and 4,922,188.70

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Solution

The fourth proportional to 12,601,511.15, 18,888,980.70 and 4,922,188.70 is: 7,378,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,511.15 : 18,888,980.70 = 4,922,188.70 : x
  2. Step 2: Convert to fraction form
    12,601,511.15/18,888,980.70 = 4,922,188.70/x
  3. Step 3: Cross multiply
    12,601,511.15x = 18,888,980.70 × 4,922,188.70
  4. Step 4: Simplify right side
    12,601,511.15x = 92,975,127,356,058.09
  5. Step 5: Solve for x
    x = 92,975,127,356,058.09/12,601,511.15
  6. Step 6: Final answer
    x = 7,378,093.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.