Home / 13,178,193.42-18,185,051.98-7,376,924.46

Finding the Fourth Proportional to 13,178,193.42, 18,185,051.98 and 7,376,924.46

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Solution

The fourth proportional to 13,178,193.42, 18,185,051.98 and 7,376,924.46 is: 10,179,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,193.42 : 18,185,051.98 = 7,376,924.46 : x
  2. Step 2: Convert to fraction form
    13,178,193.42/18,185,051.98 = 7,376,924.46/x
  3. Step 3: Cross multiply
    13,178,193.42x = 18,185,051.98 × 7,376,924.46
  4. Step 4: Simplify right side
    13,178,193.42x = 134,149,754,757,633.44
  5. Step 5: Solve for x
    x = 134,149,754,757,633.44/13,178,193.42
  6. Step 6: Final answer
    x = 10,179,677.17

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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.