Home / 10,778,722.80-16,144,464.60-9,581,996.40

Finding the Fourth Proportional to 10,778,722.80, 16,144,464.60 and 9,581,996.40

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Solution

The fourth proportional to 10,778,722.80, 16,144,464.60 and 9,581,996.40 is: 14,351,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,722.80 : 16,144,464.60 = 9,581,996.40 : x
  2. Step 2: Convert to fraction form
    10,778,722.80/16,144,464.60 = 9,581,996.40/x
  3. Step 3: Cross multiply
    10,778,722.80x = 16,144,464.60 × 9,581,996.40
  4. Step 4: Simplify right side
    10,778,722.80x = 154,696,201,677,127.44
  5. Step 5: Solve for x
    x = 154,696,201,677,127.44/10,778,722.80
  6. Step 6: Final answer
    x = 14,351,997.41

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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.