Home / 26,356,866.40-39,493,309.20-19,554,421.60

Finding the Fourth Proportional to 26,356,866.40, 39,493,309.20 and 19,554,421.60

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Solution

The fourth proportional to 26,356,866.40, 39,493,309.20 and 19,554,421.60 is: 29,300,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,356,866.40 : 39,493,309.20 = 19,554,421.60 : x
  2. Step 2: Convert to fraction form
    26,356,866.40/39,493,309.20 = 19,554,421.60/x
  3. Step 3: Cross multiply
    26,356,866.40x = 39,493,309.20 × 19,554,421.60
  4. Step 4: Simplify right side
    26,356,866.40x = 772,268,818,475,958.88
  5. Step 5: Solve for x
    x = 772,268,818,475,958.88/26,356,866.40
  6. Step 6: Final answer
    x = 29,300,479.30

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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.