Home / 19,698,556.32-29,557,191.60-13,642,607.52

Finding the Fourth Proportional to 19,698,556.32, 29,557,191.60 and 13,642,607.52

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Solution

The fourth proportional to 19,698,556.32, 29,557,191.60 and 13,642,607.52 is: 20,470,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698,556.32 : 29,557,191.60 = 13,642,607.52 : x
  2. Step 2: Convert to fraction form
    19,698,556.32/29,557,191.60 = 13,642,607.52/x
  3. Step 3: Cross multiply
    19,698,556.32x = 29,557,191.60 × 13,642,607.52
  4. Step 4: Simplify right side
    19,698,556.32x = 403,237,164,392,240.81
  5. Step 5: Solve for x
    x = 403,237,164,392,240.81/19,698,556.32
  6. Step 6: Final answer
    x = 20,470,391.73

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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.