Home / 19,319,658.44-26,661,768.03-10,618,139.48

Finding the Fourth Proportional to 19,319,658.44, 26,661,768.03 and 10,618,139.48

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Solution

The fourth proportional to 19,319,658.44, 26,661,768.03 and 10,618,139.48 is: 14,653,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,658.44 : 26,661,768.03 = 10,618,139.48 : x
  2. Step 2: Convert to fraction form
    19,319,658.44/26,661,768.03 = 10,618,139.48/x
  3. Step 3: Cross multiply
    19,319,658.44x = 26,661,768.03 × 10,618,139.48
  4. Step 4: Simplify right side
    19,319,658.44x = 283,098,371,592,636
  5. Step 5: Solve for x
    x = 283,098,371,592,636/19,319,658.44
  6. Step 6: Final answer
    x = 14,653,383.89

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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.