Home / 11,180,871.20-16,763,012.40-4,785,888.80

Finding the Fourth Proportional to 11,180,871.20, 16,763,012.40 and 4,785,888.80

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Solution

The fourth proportional to 11,180,871.20, 16,763,012.40 and 4,785,888.80 is: 7,175,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180,871.20 : 16,763,012.40 = 4,785,888.80 : x
  2. Step 2: Convert to fraction form
    11,180,871.20/16,763,012.40 = 4,785,888.80/x
  3. Step 3: Cross multiply
    11,180,871.20x = 16,763,012.40 × 4,785,888.80
  4. Step 4: Simplify right side
    11,180,871.20x = 80,225,913,299,421.12
  5. Step 5: Solve for x
    x = 80,225,913,299,421.12/11,180,871.20
  6. Step 6: Final answer
    x = 7,175,282.84

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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.