Home / 22,147,999.60-33,221,999.40-20,163,953.20

Finding the Fourth Proportional to 22,147,999.60, 33,221,999.40 and 20,163,953.20

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Solution

The fourth proportional to 22,147,999.60, 33,221,999.40 and 20,163,953.20 is: 30,245,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,999.60 : 33,221,999.40 = 20,163,953.20 : x
  2. Step 2: Convert to fraction form
    22,147,999.60/33,221,999.40 = 20,163,953.20/x
  3. Step 3: Cross multiply
    22,147,999.60x = 33,221,999.40 × 20,163,953.20
  4. Step 4: Simplify right side
    22,147,999.60x = 669,886,841,112,028
  5. Step 5: Solve for x
    x = 669,886,841,112,028/22,147,999.60
  6. Step 6: Final answer
    x = 30,245,929.80

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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.