Home / 12,096,509.90-18,144,764.85-9,968,996.30

Finding the Fourth Proportional to 12,096,509.90, 18,144,764.85 and 9,968,996.30

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Solution

The fourth proportional to 12,096,509.90, 18,144,764.85 and 9,968,996.30 is: 14,953,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,509.90 : 18,144,764.85 = 9,968,996.30 : x
  2. Step 2: Convert to fraction form
    12,096,509.90/18,144,764.85 = 9,968,996.30/x
  3. Step 3: Cross multiply
    12,096,509.90x = 18,144,764.85 × 9,968,996.30
  4. Step 4: Simplify right side
    12,096,509.90x = 180,885,093,654,020.09
  5. Step 5: Solve for x
    x = 180,885,093,654,020.09/12,096,509.90
  6. Step 6: Final answer
    x = 14,953,494.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.