Home / 23,131,070.64-31,921,067.66-12,817,965.96

Finding the Fourth Proportional to 23,131,070.64, 31,921,067.66 and 12,817,965.96

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Solution

The fourth proportional to 23,131,070.64, 31,921,067.66 and 12,817,965.96 is: 17,688,898.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,070.64 : 31,921,067.66 = 12,817,965.96 : x
  2. Step 2: Convert to fraction form
    23,131,070.64/31,921,067.66 = 12,817,965.96/x
  3. Step 3: Cross multiply
    23,131,070.64x = 31,921,067.66 × 12,817,965.96
  4. Step 4: Simplify right side
    23,131,070.64x = 409,163,158,608,647.06
  5. Step 5: Solve for x
    x = 409,163,158,608,647.06/23,131,070.64
  6. Step 6: Final answer
    x = 17,688,898.41

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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.