Home / 12,522,406.40-18,772,674.60-4,851,285.20

Finding the Fourth Proportional to 12,522,406.40, 18,772,674.60 and 4,851,285.20

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Solution

The fourth proportional to 12,522,406.40, 18,772,674.60 and 4,851,285.20 is: 7,272,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,406.40 : 18,772,674.60 = 4,851,285.20 : x
  2. Step 2: Convert to fraction form
    12,522,406.40/18,772,674.60 = 4,851,285.20/x
  3. Step 3: Cross multiply
    12,522,406.40x = 18,772,674.60 × 4,851,285.20
  4. Step 4: Simplify right side
    12,522,406.40x = 91,071,598,451,395.94
  5. Step 5: Solve for x
    x = 91,071,598,451,395.94/12,522,406.40
  6. Step 6: Final answer
    x = 7,272,691.49

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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.