Home / 13,919,954.98-19,209,974.71-8,039,479.93

Finding the Fourth Proportional to 13,919,954.98, 19,209,974.71 and 8,039,479.93

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Solution

The fourth proportional to 13,919,954.98, 19,209,974.71 and 8,039,479.93 is: 11,094,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919,954.98 : 19,209,974.71 = 8,039,479.93 : x
  2. Step 2: Convert to fraction form
    13,919,954.98/19,209,974.71 = 8,039,479.93/x
  3. Step 3: Cross multiply
    13,919,954.98x = 19,209,974.71 × 8,039,479.93
  4. Step 4: Simplify right side
    13,919,954.98x = 154,438,206,060,901.38
  5. Step 5: Solve for x
    x = 154,438,206,060,901.38/13,919,954.98
  6. Step 6: Final answer
    x = 11,094,734.59

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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.