Home / 21,143,071.20-31,711,496.40-5,998,533.60

Finding the Fourth Proportional to 21,143,071.20, 31,711,496.40 and 5,998,533.60

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Solution

The fourth proportional to 21,143,071.20, 31,711,496.40 and 5,998,533.60 is: 8,996,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,143,071.20 : 31,711,496.40 = 5,998,533.60 : x
  2. Step 2: Convert to fraction form
    21,143,071.20/31,711,496.40 = 5,998,533.60/x
  3. Step 3: Cross multiply
    21,143,071.20x = 31,711,496.40 × 5,998,533.60
  4. Step 4: Simplify right side
    21,143,071.20x = 190,222,476,661,679.03
  5. Step 5: Solve for x
    x = 190,222,476,661,679.03/21,143,071.20
  6. Step 6: Final answer
    x = 8,996,917.94

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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.