Home / 12,567,157.16-18,879,112.53-7,452,941.49

Finding the Fourth Proportional to 12,567,157.16, 18,879,112.53 and 7,452,941.49

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Solution

The fourth proportional to 12,567,157.16, 18,879,112.53 and 7,452,941.49 is: 11,196,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,157.16 : 18,879,112.53 = 7,452,941.49 : x
  2. Step 2: Convert to fraction form
    12,567,157.16/18,879,112.53 = 7,452,941.49/x
  3. Step 3: Cross multiply
    12,567,157.16x = 18,879,112.53 × 7,452,941.49
  4. Step 4: Simplify right side
    12,567,157.16x = 140,704,921,069,215.88
  5. Step 5: Solve for x
    x = 140,704,921,069,215.88/12,567,157.16
  6. Step 6: Final answer
    x = 11,196,241.07

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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.