Home / 8,327,474.48-11,498,427.96-6,390,667.28

Finding the Fourth Proportional to 8,327,474.48, 11,498,427.96 and 6,390,667.28

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Solution

The fourth proportional to 8,327,474.48, 11,498,427.96 and 6,390,667.28 is: 8,824,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327,474.48 : 11,498,427.96 = 6,390,667.28 : x
  2. Step 2: Convert to fraction form
    8,327,474.48/11,498,427.96 = 6,390,667.28/x
  3. Step 3: Cross multiply
    8,327,474.48x = 11,498,427.96 × 6,390,667.28
  4. Step 4: Simplify right side
    8,327,474.48x = 73,482,627,335,409.16
  5. Step 5: Solve for x
    x = 73,482,627,335,409.16/8,327,474.48
  6. Step 6: Final answer
    x = 8,824,119.19

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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.