Home / 23,131,379.44-31,921,492.56-12,818,274.72

Finding the Fourth Proportional to 23,131,379.44, 31,921,492.56 and 12,818,274.72

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Solution

The fourth proportional to 23,131,379.44, 31,921,492.56 and 12,818,274.72 is: 17,689,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,379.44 : 31,921,492.56 = 12,818,274.72 : x
  2. Step 2: Convert to fraction form
    23,131,379.44/31,921,492.56 = 12,818,274.72/x
  3. Step 3: Cross multiply
    23,131,379.44x = 31,921,492.56 × 12,818,274.72
  4. Step 4: Simplify right side
    23,131,379.44x = 409,178,461,106,516.06
  5. Step 5: Solve for x
    x = 409,178,461,106,516.06/23,131,379.44
  6. Step 6: Final answer
    x = 17,689,323.81

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1.5x scale

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.