Home / 28,052,807.70-42,079,211.55-12,096,455.70

Finding the Fourth Proportional to 28,052,807.70, 42,079,211.55 and 12,096,455.70

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Solution

The fourth proportional to 28,052,807.70, 42,079,211.55 and 12,096,455.70 is: 18,144,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,807.70 : 42,079,211.55 = 12,096,455.70 : x
  2. Step 2: Convert to fraction form
    28,052,807.70/42,079,211.55 = 12,096,455.70/x
  3. Step 3: Cross multiply
    28,052,807.70x = 42,079,211.55 × 12,096,455.70
  4. Step 4: Simplify right side
    28,052,807.70x = 509,009,318,405,503.25
  5. Step 5: Solve for x
    x = 509,009,318,405,503.25/28,052,807.70
  6. Step 6: Final answer
    x = 18,144,683.55

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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.