Home / 9,905,335.41-14,859,021.21-3,428,400.18

Finding the Fourth Proportional to 9,905,335.41, 14,859,021.21 and 3,428,400.18

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Solution

The fourth proportional to 9,905,335.41, 14,859,021.21 and 3,428,400.18 is: 5,142,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,335.41 : 14,859,021.21 = 3,428,400.18 : x
  2. Step 2: Convert to fraction form
    9,905,335.41/14,859,021.21 = 3,428,400.18/x
  3. Step 3: Cross multiply
    9,905,335.41x = 14,859,021.21 × 3,428,400.18
  4. Step 4: Simplify right side
    9,905,335.41x = 50,942,670,990,987.82
  5. Step 5: Solve for x
    x = 50,942,670,990,987.82/9,905,335.41
  6. Step 6: Final answer
    x = 5,142,952.65

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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.