Home / 12,929,884.88-19,394,924.51-5,739,485.72

Finding the Fourth Proportional to 12,929,884.88, 19,394,924.51 and 5,739,485.72

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Solution

The fourth proportional to 12,929,884.88, 19,394,924.51 and 5,739,485.72 is: 8,609,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,884.88 : 19,394,924.51 = 5,739,485.72 : x
  2. Step 2: Convert to fraction form
    12,929,884.88/19,394,924.51 = 5,739,485.72/x
  3. Step 3: Cross multiply
    12,929,884.88x = 19,394,924.51 × 5,739,485.72
  4. Step 4: Simplify right side
    12,929,884.88x = 111,316,892,182,997.08
  5. Step 5: Solve for x
    x = 111,316,892,182,997.08/12,929,884.88
  6. Step 6: Final answer
    x = 8,609,271.72

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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.