Home / 8,645,065.98-12,956,006.73-6,728,291.58

Finding the Fourth Proportional to 8,645,065.98, 12,956,006.73 and 6,728,291.58

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Solution

The fourth proportional to 8,645,065.98, 12,956,006.73 and 6,728,291.58 is: 10,083,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645,065.98 : 12,956,006.73 = 6,728,291.58 : x
  2. Step 2: Convert to fraction form
    8,645,065.98/12,956,006.73 = 6,728,291.58/x
  3. Step 3: Cross multiply
    8,645,065.98x = 12,956,006.73 × 6,728,291.58
  4. Step 4: Simplify right side
    8,645,065.98x = 87,171,790,991,882.34
  5. Step 5: Solve for x
    x = 87,171,790,991,882.34/8,645,065.98
  6. Step 6: Final answer
    x = 10,083,415.35

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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.