Home / 35,369,784.55-48,809,958.20-19,688,560.39

Finding the Fourth Proportional to 35,369,784.55, 48,809,958.20 and 19,688,560.39

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Solution

The fourth proportional to 35,369,784.55, 48,809,958.20 and 19,688,560.39 is: 27,170,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369,784.55 : 48,809,958.20 = 19,688,560.39 : x
  2. Step 2: Convert to fraction form
    35,369,784.55/48,809,958.20 = 19,688,560.39/x
  3. Step 3: Cross multiply
    35,369,784.55x = 48,809,958.20 × 19,688,560.39
  4. Step 4: Simplify right side
    35,369,784.55x = 960,997,809,433,608
  5. Step 5: Solve for x
    x = 960,997,809,433,608/35,369,784.55
  6. Step 6: Final answer
    x = 27,170,021.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.