Home / 30,408,372.64-41,963,561.76-16,657,825.60

Finding the Fourth Proportional to 30,408,372.64, 41,963,561.76 and 16,657,825.60

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Solution

The fourth proportional to 30,408,372.64, 41,963,561.76 and 16,657,825.60 is: 22,987,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,372.64 : 41,963,561.76 = 16,657,825.60 : x
  2. Step 2: Convert to fraction form
    30,408,372.64/41,963,561.76 = 16,657,825.60/x
  3. Step 3: Cross multiply
    30,408,372.64x = 41,963,561.76 × 16,657,825.60
  4. Step 4: Simplify right side
    30,408,372.64x = 699,021,693,352,909
  5. Step 5: Solve for x
    x = 699,021,693,352,909/30,408,372.64
  6. Step 6: Final answer
    x = 22,987,803.45

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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.