Home / 10,919,639.20-16,379,458.80-10,683,443.20

Finding the Fourth Proportional to 10,919,639.20, 16,379,458.80 and 10,683,443.20

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Solution

The fourth proportional to 10,919,639.20, 16,379,458.80 and 10,683,443.20 is: 16,025,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919,639.20 : 16,379,458.80 = 10,683,443.20 : x
  2. Step 2: Convert to fraction form
    10,919,639.20/16,379,458.80 = 10,683,443.20/x
  3. Step 3: Cross multiply
    10,919,639.20x = 16,379,458.80 × 10,683,443.20
  4. Step 4: Simplify right side
    10,919,639.20x = 174,989,017,736,540.16
  5. Step 5: Solve for x
    x = 174,989,017,736,540.16/10,919,639.20
  6. Step 6: Final answer
    x = 16,025,164.80

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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.