Home / 12,436,772.40-18,683,152.20-12,100,849.20

Finding the Fourth Proportional to 12,436,772.40, 18,683,152.20 and 12,100,849.20

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Solution

The fourth proportional to 12,436,772.40, 18,683,152.20 and 12,100,849.20 is: 18,178,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,772.40 : 18,683,152.20 = 12,100,849.20 : x
  2. Step 2: Convert to fraction form
    12,436,772.40/18,683,152.20 = 12,100,849.20/x
  3. Step 3: Cross multiply
    12,436,772.40x = 18,683,152.20 × 12,100,849.20
  4. Step 4: Simplify right side
    12,436,772.40x = 226,082,007,352,848.22
  5. Step 5: Solve for x
    x = 226,082,007,352,848.22/12,436,772.40
  6. Step 6: Final answer
    x = 18,178,511.28

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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.