Home / 14,202,141.20-21,303,211.80-11,934,659.60

Finding the Fourth Proportional to 14,202,141.20, 21,303,211.80 and 11,934,659.60

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Solution

The fourth proportional to 14,202,141.20, 21,303,211.80 and 11,934,659.60 is: 17,901,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202,141.20 : 21,303,211.80 = 11,934,659.60 : x
  2. Step 2: Convert to fraction form
    14,202,141.20/21,303,211.80 = 11,934,659.60/x
  3. Step 3: Cross multiply
    14,202,141.20x = 21,303,211.80 × 11,934,659.60
  4. Step 4: Simplify right side
    14,202,141.20x = 254,246,581,219,703.28
  5. Step 5: Solve for x
    x = 254,246,581,219,703.28/14,202,141.20
  6. Step 6: Final answer
    x = 17,901,989.40

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1.5x scale

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.