Home / 6,818,264.96-9,409,736.80-3,918,667.52

Finding the Fourth Proportional to 6,818,264.96, 9,409,736.80 and 3,918,667.52

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Solution

The fourth proportional to 6,818,264.96, 9,409,736.80 and 3,918,667.52 is: 5,408,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818,264.96 : 9,409,736.80 = 3,918,667.52 : x
  2. Step 2: Convert to fraction form
    6,818,264.96/9,409,736.80 = 3,918,667.52/x
  3. Step 3: Cross multiply
    6,818,264.96x = 9,409,736.80 × 3,918,667.52
  4. Step 4: Simplify right side
    6,818,264.96x = 36,873,629,969,908.74
  5. Step 5: Solve for x
    x = 36,873,629,969,908.74/6,818,264.96
  6. Step 6: Final answer
    x = 5,408,066.45

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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.