Home / 11,178,000.40-16,767,000.60-3,989,768.80

Finding the Fourth Proportional to 11,178,000.40, 16,767,000.60 and 3,989,768.80

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Solution

The fourth proportional to 11,178,000.40, 16,767,000.60 and 3,989,768.80 is: 5,984,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,000.40 : 16,767,000.60 = 3,989,768.80 : x
  2. Step 2: Convert to fraction form
    11,178,000.40/16,767,000.60 = 3,989,768.80/x
  3. Step 3: Cross multiply
    11,178,000.40x = 16,767,000.60 × 3,989,768.80
  4. Step 4: Simplify right side
    11,178,000.40x = 66,896,455,863,461.27
  5. Step 5: Solve for x
    x = 66,896,455,863,461.27/11,178,000.40
  6. Step 6: Final answer
    x = 5,984,653.20

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1.5x scale

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.