Home / 19,289,456.40-26,620,780.32-12,751,747.92

Finding the Fourth Proportional to 19,289,456.40, 26,620,780.32 and 12,751,747.92

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Solution

The fourth proportional to 19,289,456.40, 26,620,780.32 and 12,751,747.92 is: 17,598,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289,456.40 : 26,620,780.32 = 12,751,747.92 : x
  2. Step 2: Convert to fraction form
    19,289,456.40/26,620,780.32 = 12,751,747.92/x
  3. Step 3: Cross multiply
    19,289,456.40x = 26,620,780.32 × 12,751,747.92
  4. Step 4: Simplify right side
    19,289,456.40x = 339,461,480,074,336.94
  5. Step 5: Solve for x
    x = 339,461,480,074,336.94/19,289,456.40
  6. Step 6: Final answer
    x = 17,598,291.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.