Home / 20,549,895.75-30,826,664.37-5,403,827.25

Finding the Fourth Proportional to 20,549,895.75, 30,826,664.37 and 5,403,827.25

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Solution

The fourth proportional to 20,549,895.75, 30,826,664.37 and 5,403,827.25 is: 8,106,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,895.75 : 30,826,664.37 = 5,403,827.25 : x
  2. Step 2: Convert to fraction form
    20,549,895.75/30,826,664.37 = 5,403,827.25/x
  3. Step 3: Cross multiply
    20,549,895.75x = 30,826,664.37 × 5,403,827.25
  4. Step 4: Simplify right side
    20,549,895.75x = 166,581,968,949,210.09
  5. Step 5: Solve for x
    x = 166,581,968,949,210.09/20,549,895.75
  6. Step 6: Final answer
    x = 8,106,219.66

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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.