Home / 20,961,094.95-31,422,943.58-8,178,626.70

Finding the Fourth Proportional to 20,961,094.95, 31,422,943.58 and 8,178,626.70

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Solution

The fourth proportional to 20,961,094.95, 31,422,943.58 and 8,178,626.70 is: 12,260,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,961,094.95 : 31,422,943.58 = 8,178,626.70 : x
  2. Step 2: Convert to fraction form
    20,961,094.95/31,422,943.58 = 8,178,626.70/x
  3. Step 3: Cross multiply
    20,961,094.95x = 31,422,943.58 × 8,178,626.70
  4. Step 4: Simplify right side
    20,961,094.95x = 256,996,525,315,088.44
  5. Step 5: Solve for x
    x = 256,996,525,315,088.44/20,961,094.95
  6. Step 6: Final answer
    x = 12,260,644.11

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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.