Home / 28,389,617.40-42,584,426.10-16,408,356.60

Finding the Fourth Proportional to 28,389,617.40, 42,584,426.10 and 16,408,356.60

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Solution

The fourth proportional to 28,389,617.40, 42,584,426.10 and 16,408,356.60 is: 24,612,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389,617.40 : 42,584,426.10 = 16,408,356.60 : x
  2. Step 2: Convert to fraction form
    28,389,617.40/42,584,426.10 = 16,408,356.60/x
  3. Step 3: Cross multiply
    28,389,617.40x = 42,584,426.10 × 16,408,356.60
  4. Step 4: Simplify right side
    28,389,617.40x = 698,740,449,055,147.25
  5. Step 5: Solve for x
    x = 698,740,449,055,147.25/28,389,617.40
  6. Step 6: Final answer
    x = 24,612,534.90

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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.