Home / 28,684,464.49-39,583,409.21-15,631,445.21

Finding the Fourth Proportional to 28,684,464.49, 39,583,409.21 and 15,631,445.21

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Solution

The fourth proportional to 28,684,464.49, 39,583,409.21 and 15,631,445.21 is: 21,570,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684,464.49 : 39,583,409.21 = 15,631,445.21 : x
  2. Step 2: Convert to fraction form
    28,684,464.49/39,583,409.21 = 15,631,445.21/x
  3. Step 3: Cross multiply
    28,684,464.49x = 39,583,409.21 × 15,631,445.21
  4. Step 4: Simplify right side
    28,684,464.49x = 618,745,892,161,594.88
  5. Step 5: Solve for x
    x = 618,745,892,161,594.88/28,684,464.49
  6. Step 6: Final answer
    x = 21,570,766.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.