Home / 12,374,612.78-17,076,708.71-6,867,667.80

Finding the Fourth Proportional to 12,374,612.78, 17,076,708.71 and 6,867,667.80

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Solution

The fourth proportional to 12,374,612.78, 17,076,708.71 and 6,867,667.80 is: 9,477,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374,612.78 : 17,076,708.71 = 6,867,667.80 : x
  2. Step 2: Convert to fraction form
    12,374,612.78/17,076,708.71 = 6,867,667.80/x
  3. Step 3: Cross multiply
    12,374,612.78x = 17,076,708.71 × 6,867,667.80
  4. Step 4: Simplify right side
    12,374,612.78x = 117,277,162,503,308.19
  5. Step 5: Solve for x
    x = 117,277,162,503,308.19/12,374,612.78
  6. Step 6: Final answer
    x = 9,477,238.98

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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.