Home / 18,989,425.02-28,484,137.88-4,612,395.94

Finding the Fourth Proportional to 18,989,425.02, 28,484,137.88 and 4,612,395.94

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Solution

The fourth proportional to 18,989,425.02, 28,484,137.88 and 4,612,395.94 is: 6,918,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,425.02 : 28,484,137.88 = 4,612,395.94 : x
  2. Step 2: Convert to fraction form
    18,989,425.02/28,484,137.88 = 4,612,395.94/x
  3. Step 3: Cross multiply
    18,989,425.02x = 28,484,137.88 × 4,612,395.94
  4. Step 4: Simplify right side
    18,989,425.02x = 131,380,121,912,112.22
  5. Step 5: Solve for x
    x = 131,380,121,912,112.22/18,989,425.02
  6. Step 6: Final answer
    x = 6,918,594.00

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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.