Home / 20,607,064.32-30,909,598.92-7,826,571.60

Finding the Fourth Proportional to 20,607,064.32, 30,909,598.92 and 7,826,571.60

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Solution

The fourth proportional to 20,607,064.32, 30,909,598.92 and 7,826,571.60 is: 11,739,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607,064.32 : 30,909,598.92 = 7,826,571.60 : x
  2. Step 2: Convert to fraction form
    20,607,064.32/30,909,598.92 = 7,826,571.60/x
  3. Step 3: Cross multiply
    20,607,064.32x = 30,909,598.92 × 7,826,571.60
  4. Step 4: Simplify right side
    20,607,064.32x = 241,916,189,074,662.69
  5. Step 5: Solve for x
    x = 241,916,189,074,662.69/20,607,064.32
  6. Step 6: Final answer
    x = 11,739,478.53

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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.