Home / 19,086,619.98-28,642,527.10-10,117,470.54

Finding the Fourth Proportional to 19,086,619.98, 28,642,527.10 and 10,117,470.54

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Solution

The fourth proportional to 19,086,619.98, 28,642,527.10 and 10,117,470.54 is: 15,182,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086,619.98 : 28,642,527.10 = 10,117,470.54 : x
  2. Step 2: Convert to fraction form
    19,086,619.98/28,642,527.10 = 10,117,470.54/x
  3. Step 3: Cross multiply
    19,086,619.98x = 28,642,527.10 × 10,117,470.54
  4. Step 4: Simplify right side
    19,086,619.98x = 289,789,924,125,401.62
  5. Step 5: Solve for x
    x = 289,789,924,125,401.62/19,086,619.98
  6. Step 6: Final answer
    x = 15,182,883.32

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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.