Home / 12,148,705.71-16,769,435.94-6,994,121.67

Finding the Fourth Proportional to 12,148,705.71, 16,769,435.94 and 6,994,121.67

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Solution

The fourth proportional to 12,148,705.71, 16,769,435.94 and 6,994,121.67 is: 9,654,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,705.71 : 16,769,435.94 = 6,994,121.67 : x
  2. Step 2: Convert to fraction form
    12,148,705.71/16,769,435.94 = 6,994,121.67/x
  3. Step 3: Cross multiply
    12,148,705.71x = 16,769,435.94 × 6,994,121.67
  4. Step 4: Simplify right side
    12,148,705.71x = 117,287,475,301,630.81
  5. Step 5: Solve for x
    x = 117,287,475,301,630.81/12,148,705.71
  6. Step 6: Final answer
    x = 9,654,318.58

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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.