Home / 28,361,477.21-42,543,724.37-8,932,222.62

Finding the Fourth Proportional to 28,361,477.21, 42,543,724.37 and 8,932,222.62

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Solution

The fourth proportional to 28,361,477.21, 42,543,724.37 and 8,932,222.62 is: 13,398,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,477.21 : 42,543,724.37 = 8,932,222.62 : x
  2. Step 2: Convert to fraction form
    28,361,477.21/42,543,724.37 = 8,932,222.62/x
  3. Step 3: Cross multiply
    28,361,477.21x = 42,543,724.37 × 8,932,222.62
  4. Step 4: Simplify right side
    28,361,477.21x = 380,010,017,112,098.12
  5. Step 5: Solve for x
    x = 380,010,017,112,098.12/28,361,477.21
  6. Step 6: Final answer
    x = 13,398,809.04

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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.