Home / 16,880,288.48-23,294,820.94-9,145,330.57

Finding the Fourth Proportional to 16,880,288.48, 23,294,820.94 and 9,145,330.57

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Solution

The fourth proportional to 16,880,288.48, 23,294,820.94 and 9,145,330.57 is: 12,620,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880,288.48 : 23,294,820.94 = 9,145,330.57 : x
  2. Step 2: Convert to fraction form
    16,880,288.48/23,294,820.94 = 9,145,330.57/x
  3. Step 3: Cross multiply
    16,880,288.48x = 23,294,820.94 × 9,145,330.57
  4. Step 4: Simplify right side
    16,880,288.48x = 213,038,837,984,157.78
  5. Step 5: Solve for x
    x = 213,038,837,984,157.78/16,880,288.48
  6. Step 6: Final answer
    x = 12,620,568.56

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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.