Home / 19,933,455.60-29,898,628.20-7,800,562.80

Finding the Fourth Proportional to 19,933,455.60, 29,898,628.20 and 7,800,562.80

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Solution

The fourth proportional to 19,933,455.60, 29,898,628.20 and 7,800,562.80 is: 11,700,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,455.60 : 29,898,628.20 = 7,800,562.80 : x
  2. Step 2: Convert to fraction form
    19,933,455.60/29,898,628.20 = 7,800,562.80/x
  3. Step 3: Cross multiply
    19,933,455.60x = 29,898,628.20 × 7,800,562.80
  4. Step 4: Simplify right side
    19,933,455.60x = 233,226,126,907,950.94
  5. Step 5: Solve for x
    x = 233,226,126,907,950.94/19,933,455.60
  6. Step 6: Final answer
    x = 11,700,235.60

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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.