Home / 21,888,021.40-32,832,032.10-20,295,496.60

Finding the Fourth Proportional to 21,888,021.40, 32,832,032.10 and 20,295,496.60

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Solution

The fourth proportional to 21,888,021.40, 32,832,032.10 and 20,295,496.60 is: 30,443,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,021.40 : 32,832,032.10 = 20,295,496.60 : x
  2. Step 2: Convert to fraction form
    21,888,021.40/32,832,032.10 = 20,295,496.60/x
  3. Step 3: Cross multiply
    21,888,021.40x = 32,832,032.10 × 20,295,496.60
  4. Step 4: Simplify right side
    21,888,021.40x = 666,342,395,856,641
  5. Step 5: Solve for x
    x = 666,342,395,856,641/21,888,021.40
  6. Step 6: Final answer
    x = 30,443,244.90

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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.