Home / 20,330,400.12-30,486,648.06-9,550,764.60

Finding the Fourth Proportional to 20,330,400.12, 30,486,648.06 and 9,550,764.60

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Solution

The fourth proportional to 20,330,400.12, 30,486,648.06 and 9,550,764.60 is: 14,321,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,400.12 : 30,486,648.06 = 9,550,764.60 : x
  2. Step 2: Convert to fraction form
    20,330,400.12/30,486,648.06 = 9,550,764.60/x
  3. Step 3: Cross multiply
    20,330,400.12x = 30,486,648.06 × 9,550,764.60
  4. Step 4: Simplify right side
    20,330,400.12x = 291,170,799,064,106.62
  5. Step 5: Solve for x
    x = 291,170,799,064,106.62/20,330,400.12
  6. Step 6: Final answer
    x = 14,321,941.40

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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.