Home / 31,122,379.20-46,683,568.80-19,812,964.80

Finding the Fourth Proportional to 31,122,379.20, 46,683,568.80 and 19,812,964.80

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Solution

The fourth proportional to 31,122,379.20, 46,683,568.80 and 19,812,964.80 is: 29,719,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122,379.20 : 46,683,568.80 = 19,812,964.80 : x
  2. Step 2: Convert to fraction form
    31,122,379.20/46,683,568.80 = 19,812,964.80/x
  3. Step 3: Cross multiply
    31,122,379.20x = 46,683,568.80 × 19,812,964.80
  4. Step 4: Simplify right side
    31,122,379.20x = 924,939,905,372,778.25
  5. Step 5: Solve for x
    x = 924,939,905,372,778.25/31,122,379.20
  6. Step 6: Final answer
    x = 29,719,447.20

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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.