Home / 16,021,139.81-22,109,078.31-8,679,112.90

Finding the Fourth Proportional to 16,021,139.81, 22,109,078.31 and 8,679,112.90

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Solution

The fourth proportional to 16,021,139.81, 22,109,078.31 and 8,679,112.90 is: 11,977,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021,139.81 : 22,109,078.31 = 8,679,112.90 : x
  2. Step 2: Convert to fraction form
    16,021,139.81/22,109,078.31 = 8,679,112.90/x
  3. Step 3: Cross multiply
    16,021,139.81x = 22,109,078.31 × 8,679,112.90
  4. Step 4: Simplify right side
    16,021,139.81x = 191,887,186,767,431.19
  5. Step 5: Solve for x
    x = 191,887,186,767,431.19/16,021,139.81
  6. Step 6: Final answer
    x = 11,977,124.54

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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.