Home / 16,021,140.57-22,109,079.36-8,679,113.64

Finding the Fourth Proportional to 16,021,140.57, 22,109,079.36 and 8,679,113.64

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Solution

The fourth proportional to 16,021,140.57, 22,109,079.36 and 8,679,113.64 is: 11,977,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021,140.57 : 22,109,079.36 = 8,679,113.64 : x
  2. Step 2: Convert to fraction form
    16,021,140.57/22,109,079.36 = 8,679,113.64/x
  3. Step 3: Cross multiply
    16,021,140.57x = 22,109,079.36 × 8,679,113.64
  4. Step 4: Simplify right side
    16,021,140.57x = 191,887,212,241,218.47
  5. Step 5: Solve for x
    x = 191,887,212,241,218.47/16,021,140.57
  6. Step 6: Final answer
    x = 11,977,125.56

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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.