Home / 28,264,017.60-42,410,023.20-16,142,788.80

Finding the Fourth Proportional to 28,264,017.60, 42,410,023.20 and 16,142,788.80

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Solution

The fourth proportional to 28,264,017.60, 42,410,023.20 and 16,142,788.80 is: 24,222,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264,017.60 : 42,410,023.20 = 16,142,788.80 : x
  2. Step 2: Convert to fraction form
    28,264,017.60/42,410,023.20 = 16,142,788.80/x
  3. Step 3: Cross multiply
    28,264,017.60x = 42,410,023.20 × 16,142,788.80
  4. Step 4: Simplify right side
    28,264,017.60x = 684,616,047,520,700.25
  5. Step 5: Solve for x
    x = 684,616,047,520,700.25/28,264,017.60
  6. Step 6: Final answer
    x = 24,222,177.37

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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.