Home / 7,949,117.20-11,927,612.40-4,540,021.60

Finding the Fourth Proportional to 7,949,117.20, 11,927,612.40 and 4,540,021.60

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Solution

The fourth proportional to 7,949,117.20, 11,927,612.40 and 4,540,021.60 is: 6,812,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949,117.20 : 11,927,612.40 = 4,540,021.60 : x
  2. Step 2: Convert to fraction form
    7,949,117.20/11,927,612.40 = 4,540,021.60/x
  3. Step 3: Cross multiply
    7,949,117.20x = 11,927,612.40 × 4,540,021.60
  4. Step 4: Simplify right side
    7,949,117.20x = 54,151,617,932,427.84
  5. Step 5: Solve for x
    x = 54,151,617,932,427.84/7,949,117.20
  6. Step 6: Final answer
    x = 6,812,280.73

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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.