Home / 14,771,715.97-20,388,369.29-8,662,112.77

Finding the Fourth Proportional to 14,771,715.97, 20,388,369.29 and 8,662,112.77

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Solution

The fourth proportional to 14,771,715.97, 20,388,369.29 and 8,662,112.77 is: 11,955,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,715.97 : 20,388,369.29 = 8,662,112.77 : x
  2. Step 2: Convert to fraction form
    14,771,715.97/20,388,369.29 = 8,662,112.77/x
  3. Step 3: Cross multiply
    14,771,715.97x = 20,388,369.29 × 8,662,112.77
  4. Step 4: Simplify right side
    14,771,715.97x = 176,606,353,986,384.81
  5. Step 5: Solve for x
    x = 176,606,353,986,384.81/14,771,715.97
  6. Step 6: Final answer
    x = 11,955,710.11

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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.