Home / 23,119,311.36-31,904,904.96-12,806,192.64

Finding the Fourth Proportional to 23,119,311.36, 31,904,904.96 and 12,806,192.64

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Solution

The fourth proportional to 23,119,311.36, 31,904,904.96 and 12,806,192.64 is: 17,672,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119,311.36 : 31,904,904.96 = 12,806,192.64 : x
  2. Step 2: Convert to fraction form
    23,119,311.36/31,904,904.96 = 12,806,192.64/x
  3. Step 3: Cross multiply
    23,119,311.36x = 31,904,904.96 × 12,806,192.64
  4. Step 4: Simplify right side
    23,119,311.36x = 408,580,359,078,651.50
  5. Step 5: Solve for x
    x = 408,580,359,078,651.50/23,119,311.36
  6. Step 6: Final answer
    x = 17,672,687.25

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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.