Home / 14,569,165.78-20,105,513.01-8,042,848.86

Finding the Fourth Proportional to 14,569,165.78, 20,105,513.01 and 8,042,848.86

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Solution

The fourth proportional to 14,569,165.78, 20,105,513.01 and 8,042,848.86 is: 11,099,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,165.78 : 20,105,513.01 = 8,042,848.86 : x
  2. Step 2: Convert to fraction form
    14,569,165.78/20,105,513.01 = 8,042,848.86/x
  3. Step 3: Cross multiply
    14,569,165.78x = 20,105,513.01 × 8,042,848.86
  4. Step 4: Simplify right side
    14,569,165.78x = 161,705,602,467,589.34
  5. Step 5: Solve for x
    x = 161,705,602,467,589.34/14,569,165.78
  6. Step 6: Final answer
    x = 11,099,166.89

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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.