Home / 20,496,844.60-30,745,266.90-8,362,275.10

Finding the Fourth Proportional to 20,496,844.60, 30,745,266.90 and 8,362,275.10

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Solution

The fourth proportional to 20,496,844.60, 30,745,266.90 and 8,362,275.10 is: 12,543,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,844.60 : 30,745,266.90 = 8,362,275.10 : x
  2. Step 2: Convert to fraction form
    20,496,844.60/30,745,266.90 = 8,362,275.10/x
  3. Step 3: Cross multiply
    20,496,844.60x = 30,745,266.90 × 8,362,275.10
  4. Step 4: Simplify right side
    20,496,844.60x = 257,100,379,840,724.16
  5. Step 5: Solve for x
    x = 257,100,379,840,724.16/20,496,844.60
  6. Step 6: Final answer
    x = 12,543,412.65

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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.