Home / 30,316,074.60-45,480,016.80-8,751,379.80

Finding the Fourth Proportional to 30,316,074.60, 45,480,016.80 and 8,751,379.80

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Solution

The fourth proportional to 30,316,074.60, 45,480,016.80 and 8,751,379.80 is: 13,128,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316,074.60 : 45,480,016.80 = 8,751,379.80 : x
  2. Step 2: Convert to fraction form
    30,316,074.60/45,480,016.80 = 8,751,379.80/x
  3. Step 3: Cross multiply
    30,316,074.60x = 45,480,016.80 × 8,751,379.80
  4. Step 4: Simplify right side
    30,316,074.60x = 398,012,900,327,180.62
  5. Step 5: Solve for x
    x = 398,012,900,327,180.62/30,316,074.60
  6. Step 6: Final answer
    x = 13,128,774.27

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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.