Home / 10,777,578.60-16,166,367.90-9,785,555.40

Finding the Fourth Proportional to 10,777,578.60, 16,166,367.90 and 9,785,555.40

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Solution

The fourth proportional to 10,777,578.60, 16,166,367.90 and 9,785,555.40 is: 14,678,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,578.60 : 16,166,367.90 = 9,785,555.40 : x
  2. Step 2: Convert to fraction form
    10,777,578.60/16,166,367.90 = 9,785,555.40/x
  3. Step 3: Cross multiply
    10,777,578.60x = 16,166,367.90 × 9,785,555.40
  4. Step 4: Simplify right side
    10,777,578.60x = 158,196,888,702,231.66
  5. Step 5: Solve for x
    x = 158,196,888,702,231.66/10,777,578.60
  6. Step 6: Final answer
    x = 14,678,333.10

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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.