Home / 20,509,935.36-30,762,552.96-5,365,328.64

Finding the Fourth Proportional to 20,509,935.36, 30,762,552.96 and 5,365,328.64

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Solution

The fourth proportional to 20,509,935.36, 30,762,552.96 and 5,365,328.64 is: 8,047,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509,935.36 : 30,762,552.96 = 5,365,328.64 : x
  2. Step 2: Convert to fraction form
    20,509,935.36/30,762,552.96 = 5,365,328.64/x
  3. Step 3: Cross multiply
    20,509,935.36x = 30,762,552.96 × 5,365,328.64
  4. Step 4: Simplify right side
    20,509,935.36x = 165,051,206,435,804.78
  5. Step 5: Solve for x
    x = 165,051,206,435,804.78/20,509,935.36
  6. Step 6: Final answer
    x = 8,047,378.19

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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.