Home / 14,202,140.20-21,303,210.30-11,934,658.60

Finding the Fourth Proportional to 14,202,140.20, 21,303,210.30 and 11,934,658.60

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Solution

The fourth proportional to 14,202,140.20, 21,303,210.30 and 11,934,658.60 is: 17,901,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202,140.20 : 21,303,210.30 = 11,934,658.60 : x
  2. Step 2: Convert to fraction form
    14,202,140.20/21,303,210.30 = 11,934,658.60/x
  3. Step 3: Cross multiply
    14,202,140.20x = 21,303,210.30 × 11,934,658.60
  4. Step 4: Simplify right side
    14,202,140.20x = 254,246,542,014,503.59
  5. Step 5: Solve for x
    x = 254,246,542,014,503.59/14,202,140.20
  6. Step 6: Final answer
    x = 17,901,987.90

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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.