Home / 20,549,835.11-28,352,099.94-14,012,114.36

Finding the Fourth Proportional to 20,549,835.11, 28,352,099.94 and 14,012,114.36

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Solution

The fourth proportional to 20,549,835.11, 28,352,099.94 and 14,012,114.36 is: 19,332,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,835.11 : 28,352,099.94 = 14,012,114.36 : x
  2. Step 2: Convert to fraction form
    20,549,835.11/28,352,099.94 = 14,012,114.36/x
  3. Step 3: Cross multiply
    20,549,835.11x = 28,352,099.94 × 14,012,114.36
  4. Step 4: Simplify right side
    20,549,835.11x = 397,272,866,563,668.69
  5. Step 5: Solve for x
    x = 397,272,866,563,668.69/20,549,835.11
  6. Step 6: Final answer
    x = 19,332,168.09

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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.