Home / 12,929,936.52-19,395,001.71-5,739,537.36

Finding the Fourth Proportional to 12,929,936.52, 19,395,001.71 and 5,739,537.36

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Solution

The fourth proportional to 12,929,936.52, 19,395,001.71 and 5,739,537.36 is: 8,609,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,936.52 : 19,395,001.71 = 5,739,537.36 : x
  2. Step 2: Convert to fraction form
    12,929,936.52/19,395,001.71 = 5,739,537.36/x
  3. Step 3: Cross multiply
    12,929,936.52x = 19,395,001.71 × 5,739,537.36
  4. Step 4: Simplify right side
    12,929,936.52x = 111,318,336,911,808.89
  5. Step 5: Solve for x
    x = 111,318,336,911,808.89/12,929,936.52
  6. Step 6: Final answer
    x = 8,609,349.07

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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.