Home / 13,922,571.40-19,212,859.02-7,727,254.66

Finding the Fourth Proportional to 13,922,571.40, 19,212,859.02 and 7,727,254.66

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Solution

The fourth proportional to 13,922,571.40, 19,212,859.02 and 7,727,254.66 is: 10,663,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,571.40 : 19,212,859.02 = 7,727,254.66 : x
  2. Step 2: Convert to fraction form
    13,922,571.40/19,212,859.02 = 7,727,254.66/x
  3. Step 3: Cross multiply
    13,922,571.40x = 19,212,859.02 × 7,727,254.66
  4. Step 4: Simplify right side
    13,922,571.40x = 148,462,654,273,944.12
  5. Step 5: Solve for x
    x = 148,462,654,273,944.12/13,922,571.40
  6. Step 6: Final answer
    x = 10,663,450.74

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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.