Home / 12,952,261.10-19,430,724.45-5,379,992.30

Finding the Fourth Proportional to 12,952,261.10, 19,430,724.45 and 5,379,992.30

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Solution

The fourth proportional to 12,952,261.10, 19,430,724.45 and 5,379,992.30 is: 8,070,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,261.10 : 19,430,724.45 = 5,379,992.30 : x
  2. Step 2: Convert to fraction form
    12,952,261.10/19,430,724.45 = 5,379,992.30/x
  3. Step 3: Cross multiply
    12,952,261.10x = 19,430,724.45 × 5,379,992.30
  4. Step 4: Simplify right side
    12,952,261.10x = 104,537,147,924,421.73
  5. Step 5: Solve for x
    x = 104,537,147,924,421.73/12,952,261.10
  6. Step 6: Final answer
    x = 8,070,957.43

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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.