Home / 14,771,476.09-20,388,038.22-8,661,872.89

Finding the Fourth Proportional to 14,771,476.09, 20,388,038.22 and 8,661,872.89

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Solution

The fourth proportional to 14,771,476.09, 20,388,038.22 and 8,661,872.89 is: 11,955,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,476.09 : 20,388,038.22 = 8,661,872.89 : x
  2. Step 2: Convert to fraction form
    14,771,476.09/20,388,038.22 = 8,661,872.89/x
  3. Step 3: Cross multiply
    14,771,476.09x = 20,388,038.22 × 8,661,872.89
  4. Step 4: Simplify right side
    14,771,476.09x = 176,598,595,538,101.84
  5. Step 5: Solve for x
    x = 176,598,595,538,101.84/14,771,476.09
  6. Step 6: Final answer
    x = 11,955,379.03

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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.