Home / 12,576,403.80-18,829,176.30-11,300,945.40

Finding the Fourth Proportional to 12,576,403.80, 18,829,176.30 and 11,300,945.40

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Solution

The fourth proportional to 12,576,403.80, 18,829,176.30 and 11,300,945.40 is: 16,919,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,403.80 : 18,829,176.30 = 11,300,945.40 : x
  2. Step 2: Convert to fraction form
    12,576,403.80/18,829,176.30 = 11,300,945.40/x
  3. Step 3: Cross multiply
    12,576,403.80x = 18,829,176.30 × 11,300,945.40
  4. Step 4: Simplify right side
    12,576,403.80x = 212,787,493,293,274.03
  5. Step 5: Solve for x
    x = 212,787,493,293,274.03/12,576,403.80
  6. Step 6: Final answer
    x = 16,919,581.84

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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.