Home / 13,798,374.80-20,693,875.80-4,821,990.80

Finding the Fourth Proportional to 13,798,374.80, 20,693,875.80 and 4,821,990.80

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Solution

The fourth proportional to 13,798,374.80, 20,693,875.80 and 4,821,990.80 is: 7,231,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798,374.80 : 20,693,875.80 = 4,821,990.80 : x
  2. Step 2: Convert to fraction form
    13,798,374.80/20,693,875.80 = 4,821,990.80/x
  3. Step 3: Cross multiply
    13,798,374.80x = 20,693,875.80 × 4,821,990.80
  4. Step 4: Simplify right side
    13,798,374.80x = 99,785,678,723,942.64
  5. Step 5: Solve for x
    x = 99,785,678,723,942.64/13,798,374.80
  6. Step 6: Final answer
    x = 7,231,697.95

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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.