Home / 19,424,458.20-29,144,852.10-10,438,512.60

Finding the Fourth Proportional to 19,424,458.20, 29,144,852.10 and 10,438,512.60

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Solution

The fourth proportional to 19,424,458.20, 29,144,852.10 and 10,438,512.60 is: 15,662,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424,458.20 : 29,144,852.10 = 10,438,512.60 : x
  2. Step 2: Convert to fraction form
    19,424,458.20/29,144,852.10 = 10,438,512.60/x
  3. Step 3: Cross multiply
    19,424,458.20x = 29,144,852.10 × 10,438,512.60
  4. Step 4: Simplify right side
    19,424,458.20x = 304,228,905,870,986.44
  5. Step 5: Solve for x
    x = 304,228,905,870,986.44/19,424,458.20
  6. Step 6: Final answer
    x = 15,662,156.58

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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.