Home / 6,777,688.40-10,166,467.80-1,660,140.80

Finding the Fourth Proportional to 6,777,688.40, 10,166,467.80 and 1,660,140.80

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Solution

The fourth proportional to 6,777,688.40, 10,166,467.80 and 1,660,140.80 is: 2,490,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777,688.40 : 10,166,467.80 = 1,660,140.80 : x
  2. Step 2: Convert to fraction form
    6,777,688.40/10,166,467.80 = 1,660,140.80/x
  3. Step 3: Cross multiply
    6,777,688.40x = 10,166,467.80 × 1,660,140.80
  4. Step 4: Simplify right side
    6,777,688.40x = 16,877,767,986,666.24
  5. Step 5: Solve for x
    x = 16,877,767,986,666.24/6,777,688.40
  6. Step 6: Final answer
    x = 2,490,195.33

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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.