Home / 38,668,679.46-53,347,674.60-22,139,970.44

Finding the Fourth Proportional to 38,668,679.46, 53,347,674.60 and 22,139,970.44

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Solution

The fourth proportional to 38,668,679.46, 53,347,674.60 and 22,139,970.44 is: 30,544,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,679.46 : 53,347,674.60 = 22,139,970.44 : x
  2. Step 2: Convert to fraction form
    38,668,679.46/53,347,674.60 = 22,139,970.44/x
  3. Step 3: Cross multiply
    38,668,679.46x = 53,347,674.60 × 22,139,970.44
  4. Step 4: Simplify right side
    38,668,679.46x = 1,181,115,938,420,000.50
  5. Step 5: Solve for x
    x = 1,181,115,938,420,000.50/38,668,679.46
  6. Step 6: Final answer
    x = 30,544,511.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.