Home / 19,146,990.64-28,725,801.72-10,633,306.36

Finding the Fourth Proportional to 19,146,990.64, 28,725,801.72 and 10,633,306.36

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Solution

The fourth proportional to 19,146,990.64, 28,725,801.72 and 10,633,306.36 is: 15,952,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146,990.64 : 28,725,801.72 = 10,633,306.36 : x
  2. Step 2: Convert to fraction form
    19,146,990.64/28,725,801.72 = 10,633,306.36/x
  3. Step 3: Cross multiply
    19,146,990.64x = 28,725,801.72 × 10,633,306.36
  4. Step 4: Simplify right side
    19,146,990.64x = 305,450,250,125,374.94
  5. Step 5: Solve for x
    x = 305,450,250,125,374.94/19,146,990.64
  6. Step 6: Final answer
    x = 15,952,911.65

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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.