Home / 14,771,717.70-20,388,371.70-8,662,114.50

Finding the Fourth Proportional to 14,771,717.70, 20,388,371.70 and 8,662,114.50

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Solution

The fourth proportional to 14,771,717.70, 20,388,371.70 and 8,662,114.50 is: 11,955,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,717.70 : 20,388,371.70 = 8,662,114.50 : x
  2. Step 2: Convert to fraction form
    14,771,717.70/20,388,371.70 = 8,662,114.50/x
  3. Step 3: Cross multiply
    14,771,717.70x = 20,388,371.70 × 8,662,114.50
  4. Step 4: Simplify right side
    14,771,717.70x = 176,606,410,133,959.66
  5. Step 5: Solve for x
    x = 176,606,410,133,959.66/14,771,717.70
  6. Step 6: Final answer
    x = 11,955,712.51

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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.