Home / 14,221,078.42-19,625,075.54-8,027,428.82

Finding the Fourth Proportional to 14,221,078.42, 19,625,075.54 and 8,027,428.82

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Solution

The fourth proportional to 14,221,078.42, 19,625,075.54 and 8,027,428.82 is: 11,077,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221,078.42 : 19,625,075.54 = 8,027,428.82 : x
  2. Step 2: Convert to fraction form
    14,221,078.42/19,625,075.54 = 8,027,428.82/x
  3. Step 3: Cross multiply
    14,221,078.42x = 19,625,075.54 × 8,027,428.82
  4. Step 4: Simplify right side
    14,221,078.42x = 157,538,896,984,473.06
  5. Step 5: Solve for x
    x = 157,538,896,984,473.06/14,221,078.42
  6. Step 6: Final answer
    x = 11,077,844.61

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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.