Home / 15,557,556.30-23,336,334.45-13,430,042.70

Finding the Fourth Proportional to 15,557,556.30, 23,336,334.45 and 13,430,042.70

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Solution

The fourth proportional to 15,557,556.30, 23,336,334.45 and 13,430,042.70 is: 20,145,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,556.30 : 23,336,334.45 = 13,430,042.70 : x
  2. Step 2: Convert to fraction form
    15,557,556.30/23,336,334.45 = 13,430,042.70/x
  3. Step 3: Cross multiply
    15,557,556.30x = 23,336,334.45 × 13,430,042.70
  4. Step 4: Simplify right side
    15,557,556.30x = 313,407,968,124,981
  5. Step 5: Solve for x
    x = 313,407,968,124,981/15,557,556.30
  6. Step 6: Final answer
    x = 20,145,064.05

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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.