Home / 10,667,619.81-15,994,949.90-4,182,926.40

Finding the Fourth Proportional to 10,667,619.81, 15,994,949.90 and 4,182,926.40

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Solution

The fourth proportional to 10,667,619.81, 15,994,949.90 and 4,182,926.40 is: 6,271,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,619.81 : 15,994,949.90 = 4,182,926.40 : x
  2. Step 2: Convert to fraction form
    10,667,619.81/15,994,949.90 = 4,182,926.40/x
  3. Step 3: Cross multiply
    10,667,619.81x = 15,994,949.90 × 4,182,926.40
  4. Step 4: Simplify right side
    10,667,619.81x = 66,905,698,182,472.73
  5. Step 5: Solve for x
    x = 66,905,698,182,472.73/10,667,619.81
  6. Step 6: Final answer
    x = 6,271,848.77

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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.