Home / 16,387,205.72-22,610,967.90-9,416,536.36

Finding the Fourth Proportional to 16,387,205.72, 22,610,967.90 and 9,416,536.36

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Solution

The fourth proportional to 16,387,205.72, 22,610,967.90 and 9,416,536.36 is: 12,992,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387,205.72 : 22,610,967.90 = 9,416,536.36 : x
  2. Step 2: Convert to fraction form
    16,387,205.72/22,610,967.90 = 9,416,536.36/x
  3. Step 3: Cross multiply
    16,387,205.72x = 22,610,967.90 × 9,416,536.36
  4. Step 4: Simplify right side
    16,387,205.72x = 212,917,001,365,142.81
  5. Step 5: Solve for x
    x = 212,917,001,365,142.81/16,387,205.72
  6. Step 6: Final answer
    x = 12,992,880.24

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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.