Home / 12,392,947.96-17,101,928.25-6,886,181.42

Finding the Fourth Proportional to 12,392,947.96, 17,101,928.25 and 6,886,181.42

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Solution

The fourth proportional to 12,392,947.96, 17,101,928.25 and 6,886,181.42 is: 9,502,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,947.96 : 17,101,928.25 = 6,886,181.42 : x
  2. Step 2: Convert to fraction form
    12,392,947.96/17,101,928.25 = 6,886,181.42/x
  3. Step 3: Cross multiply
    12,392,947.96x = 17,101,928.25 × 6,886,181.42
  4. Step 4: Simplify right side
    12,392,947.96x = 117,766,980,539,945.70
  5. Step 5: Solve for x
    x = 117,766,980,539,945.70/12,392,947.96
  6. Step 6: Final answer
    x = 9,502,741.47

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1.5x scale

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.