Home / 21,525,453.60-32,288,180.40-20,349,722.40

Finding the Fourth Proportional to 21,525,453.60, 32,288,180.40 and 20,349,722.40

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Solution

The fourth proportional to 21,525,453.60, 32,288,180.40 and 20,349,722.40 is: 30,524,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,453.60 : 32,288,180.40 = 20,349,722.40 : x
  2. Step 2: Convert to fraction form
    21,525,453.60/32,288,180.40 = 20,349,722.40/x
  3. Step 3: Cross multiply
    21,525,453.60x = 32,288,180.40 × 20,349,722.40
  4. Step 4: Simplify right side
    21,525,453.60x = 657,055,507,941,120.88
  5. Step 5: Solve for x
    x = 657,055,507,941,120.88/21,525,453.60
  6. Step 6: Final answer
    x = 30,524,583.60

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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.