Home / 28,268,896.60-42,411,218.10-13,892,433.40

Finding the Fourth Proportional to 28,268,896.60, 42,411,218.10 and 13,892,433.40

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Solution

The fourth proportional to 28,268,896.60, 42,411,218.10 and 13,892,433.40 is: 20,842,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268,896.60 : 42,411,218.10 = 13,892,433.40 : x
  2. Step 2: Convert to fraction form
    28,268,896.60/42,411,218.10 = 13,892,433.40/x
  3. Step 3: Cross multiply
    28,268,896.60x = 42,411,218.10 × 13,892,433.40
  4. Step 4: Simplify right side
    28,268,896.60x = 589,195,022,867,124.62
  5. Step 5: Solve for x
    x = 589,195,022,867,124.62/28,268,896.60
  6. Step 6: Final answer
    x = 20,842,519.30

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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.