Home / 12,148,619.46-16,769,316.78-6,994,035.42

Finding the Fourth Proportional to 12,148,619.46, 16,769,316.78 and 6,994,035.42

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Solution

The fourth proportional to 12,148,619.46, 16,769,316.78 and 6,994,035.42 is: 9,654,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,619.46 : 16,769,316.78 = 6,994,035.42 : x
  2. Step 2: Convert to fraction form
    12,148,619.46/16,769,316.78 = 6,994,035.42/x
  3. Step 3: Cross multiply
    12,148,619.46x = 16,769,316.78 × 6,994,035.42
  4. Step 4: Simplify right side
    12,148,619.46x = 117,285,195,528,520.34
  5. Step 5: Solve for x
    x = 117,285,195,528,520.34/12,148,619.46
  6. Step 6: Final answer
    x = 9,654,199.47

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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.