Home / 20,570,870.54-30,861,445.32-14,517,418.56

Finding the Fourth Proportional to 20,570,870.54, 30,861,445.32 and 14,517,418.56

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Solution

The fourth proportional to 20,570,870.54, 30,861,445.32 and 14,517,418.56 is: 21,779,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570,870.54 : 30,861,445.32 = 14,517,418.56 : x
  2. Step 2: Convert to fraction form
    20,570,870.54/30,861,445.32 = 14,517,418.56/x
  3. Step 3: Cross multiply
    20,570,870.54x = 30,861,445.32 × 14,517,418.56
  4. Step 4: Simplify right side
    20,570,870.54x = 448,028,519,076,993.19
  5. Step 5: Solve for x
    x = 448,028,519,076,993.19/20,570,870.54
  6. Step 6: Final answer
    x = 21,779,754.94

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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.