Home / 10,936,130.80-16,384,513.20-8,676,522.40

Finding the Fourth Proportional to 10,936,130.80, 16,384,513.20 and 8,676,522.40

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Solution

The fourth proportional to 10,936,130.80, 16,384,513.20 and 8,676,522.40 is: 12,999,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936,130.80 : 16,384,513.20 = 8,676,522.40 : x
  2. Step 2: Convert to fraction form
    10,936,130.80/16,384,513.20 = 8,676,522.40/x
  3. Step 3: Cross multiply
    10,936,130.80x = 16,384,513.20 × 8,676,522.40
  4. Step 4: Simplify right side
    10,936,130.80x = 142,160,595,792,895.69
  5. Step 5: Solve for x
    x = 142,160,595,792,895.69/10,936,130.80
  6. Step 6: Final answer
    x = 12,999,167.47

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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.