Home / 12,180,122.61-16,807,926.70-6,952,923.21

Finding the Fourth Proportional to 12,180,122.61, 16,807,926.70 and 6,952,923.21

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Solution

The fourth proportional to 12,180,122.61, 16,807,926.70 and 6,952,923.21 is: 9,594,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,122.61 : 16,807,926.70 = 6,952,923.21 : x
  2. Step 2: Convert to fraction form
    12,180,122.61/16,807,926.70 = 6,952,923.21/x
  3. Step 3: Cross multiply
    12,180,122.61x = 16,807,926.70 × 6,952,923.21
  4. Step 4: Simplify right side
    12,180,122.61x = 116,864,223,664,408.70
  5. Step 5: Solve for x
    x = 116,864,223,664,408.70/12,180,122.61
  6. Step 6: Final answer
    x = 9,594,667.26

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1.5x scale

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.