Home / 19,144,999.20-28,717,498.80-17,021,632.80

Finding the Fourth Proportional to 19,144,999.20, 28,717,498.80 and 17,021,632.80

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Solution

The fourth proportional to 19,144,999.20, 28,717,498.80 and 17,021,632.80 is: 25,532,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,999.20 : 28,717,498.80 = 17,021,632.80 : x
  2. Step 2: Convert to fraction form
    19,144,999.20/28,717,498.80 = 17,021,632.80/x
  3. Step 3: Cross multiply
    19,144,999.20x = 28,717,498.80 × 17,021,632.80
  4. Step 4: Simplify right side
    19,144,999.20x = 488,818,719,508,040.69
  5. Step 5: Solve for x
    x = 488,818,719,508,040.69/19,144,999.20
  6. Step 6: Final answer
    x = 25,532,449.20

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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.