Home / 18,968,626.61-28,453,014.63-4,591,671.32

Finding the Fourth Proportional to 18,968,626.61, 28,453,014.63 and 4,591,671.32

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Solution

The fourth proportional to 18,968,626.61, 28,453,014.63 and 4,591,671.32 is: 6,887,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,626.61 : 28,453,014.63 = 4,591,671.32 : x
  2. Step 2: Convert to fraction form
    18,968,626.61/28,453,014.63 = 4,591,671.32/x
  3. Step 3: Cross multiply
    18,968,626.61x = 28,453,014.63 × 4,591,671.32
  4. Step 4: Simplify right side
    18,968,626.61x = 130,646,891,244,111.42
  5. Step 5: Solve for x
    x = 130,646,891,244,111.42/18,968,626.61
  6. Step 6: Final answer
    x = 6,887,525.07

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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.