Home / 22,985,809.18-31,720,629.57-12,672,901.33

Finding the Fourth Proportional to 22,985,809.18, 31,720,629.57 and 12,672,901.33

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Solution

The fourth proportional to 22,985,809.18, 31,720,629.57 and 12,672,901.33 is: 17,488,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985,809.18 : 31,720,629.57 = 12,672,901.33 : x
  2. Step 2: Convert to fraction form
    22,985,809.18/31,720,629.57 = 12,672,901.33/x
  3. Step 3: Cross multiply
    22,985,809.18x = 31,720,629.57 × 12,672,901.33
  4. Step 4: Simplify right side
    22,985,809.18x = 401,992,408,666,090.31
  5. Step 5: Solve for x
    x = 401,992,408,666,090.31/22,985,809.18
  6. Step 6: Final answer
    x = 17,488,721.22

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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.