Home / 20,139,025.65-30,208,538.48-5,762,562.45

Finding the Fourth Proportional to 20,139,025.65, 30,208,538.48 and 5,762,562.45

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Solution

The fourth proportional to 20,139,025.65, 30,208,538.48 and 5,762,562.45 is: 8,643,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,025.65 : 30,208,538.48 = 5,762,562.45 : x
  2. Step 2: Convert to fraction form
    20,139,025.65/30,208,538.48 = 5,762,562.45/x
  3. Step 3: Cross multiply
    20,139,025.65x = 30,208,538.48 × 5,762,562.45
  4. Step 4: Simplify right side
    20,139,025.65x = 174,078,589,485,415.28
  5. Step 5: Solve for x
    x = 174,078,589,485,415.28/20,139,025.65
  6. Step 6: Final answer
    x = 8,643,843.68

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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.