Home / 15,306,758,537.67-21,123,326,606.49-8,266,228,169.67

Finding the Fourth Proportional to 15,306,758,537.67, 21,123,326,606.49 and 8,266,228,169.67

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Solution

The fourth proportional to 15,306,758,537.67, 21,123,326,606.49 and 8,266,228,169.67 is: 11,407,394,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,758,537.67 : 21,123,326,606.49 = 8,266,228,169.67 : x
  2. Step 2: Convert to fraction form
    15,306,758,537.67/21,123,326,606.49 = 8,266,228,169.67/x
  3. Step 3: Cross multiply
    15,306,758,537.67x = 21,123,326,606.49 × 8,266,228,169.67
  4. Step 4: Simplify right side
    15,306,758,537.67x = 174,610,237,431,707,467,776
  5. Step 5: Solve for x
    x = 174,610,237,431,707,467,776/15,306,758,537.67
  6. Step 6: Final answer
    x = 11,407,394,779.37

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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.