Home / 19,399,823.81-29,052,464.31-12,830,530.62

Finding the Fourth Proportional to 19,399,823.81, 29,052,464.31 and 12,830,530.62

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Solution

The fourth proportional to 19,399,823.81, 29,052,464.31 and 12,830,530.62 is: 19,214,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,823.81 : 29,052,464.31 = 12,830,530.62 : x
  2. Step 2: Convert to fraction form
    19,399,823.81/29,052,464.31 = 12,830,530.62/x
  3. Step 3: Cross multiply
    19,399,823.81x = 29,052,464.31 × 12,830,530.62
  4. Step 4: Simplify right side
    19,399,823.81x = 372,758,533,024,858.88
  5. Step 5: Solve for x
    x = 372,758,533,024,858.88/19,399,823.81
  6. Step 6: Final answer
    x = 19,214,531.88

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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.