Home / 12,290,975.55-18,436,463.33-8,464,600.35

Finding the Fourth Proportional to 12,290,975.55, 18,436,463.33 and 8,464,600.35

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Solution

The fourth proportional to 12,290,975.55, 18,436,463.33 and 8,464,600.35 is: 12,696,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,975.55 : 18,436,463.33 = 8,464,600.35 : x
  2. Step 2: Convert to fraction form
    12,290,975.55/18,436,463.33 = 8,464,600.35/x
  3. Step 3: Cross multiply
    12,290,975.55x = 18,436,463.33 × 8,464,600.35
  4. Step 4: Simplify right side
    12,290,975.55x = 156,057,293,913,557.16
  5. Step 5: Solve for x
    x = 156,057,293,913,557.16/12,290,975.55
  6. Step 6: Final answer
    x = 12,696,900.53

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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.