Home / 19,201,636.97-28,802,484.62-7,842,085.59

Finding the Fourth Proportional to 19,201,636.97, 28,802,484.62 and 7,842,085.59

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Solution

The fourth proportional to 19,201,636.97, 28,802,484.62 and 7,842,085.59 is: 11,763,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,636.97 : 28,802,484.62 = 7,842,085.59 : x
  2. Step 2: Convert to fraction form
    19,201,636.97/28,802,484.62 = 7,842,085.59/x
  3. Step 3: Cross multiply
    19,201,636.97x = 28,802,484.62 × 7,842,085.59
  4. Step 4: Simplify right side
    19,201,636.97x = 225,871,549,594,698.62
  5. Step 5: Solve for x
    x = 225,871,549,594,698.62/19,201,636.97
  6. Step 6: Final answer
    x = 11,763,140.30

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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.