Home / 13,919,954.39-19,209,973.89-8,039,479.33

Finding the Fourth Proportional to 13,919,954.39, 19,209,973.89 and 8,039,479.33

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Solution

The fourth proportional to 13,919,954.39, 19,209,973.89 and 8,039,479.33 is: 11,094,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919,954.39 : 19,209,973.89 = 8,039,479.33 : x
  2. Step 2: Convert to fraction form
    13,919,954.39/19,209,973.89 = 8,039,479.33/x
  3. Step 3: Cross multiply
    13,919,954.39x = 19,209,973.89 × 8,039,479.33
  4. Step 4: Simplify right side
    13,919,954.39x = 154,438,188,038,593.38
  5. Step 5: Solve for x
    x = 154,438,188,038,593.38/13,919,954.39
  6. Step 6: Final answer
    x = 11,094,733.77

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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.