Home / 23,131,383.42-31,921,498.08-12,818,278.74

Finding the Fourth Proportional to 23,131,383.42, 31,921,498.08 and 12,818,278.74

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Solution

The fourth proportional to 23,131,383.42, 31,921,498.08 and 12,818,278.74 is: 17,689,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,383.42 : 31,921,498.08 = 12,818,278.74 : x
  2. Step 2: Convert to fraction form
    23,131,383.42/31,921,498.08 = 12,818,278.74/x
  3. Step 3: Cross multiply
    23,131,383.42x = 31,921,498.08 × 12,818,278.74
  4. Step 4: Simplify right side
    23,131,383.42x = 409,178,660,187,814.81
  5. Step 5: Solve for x
    x = 409,178,660,187,814.81/23,131,383.42
  6. Step 6: Final answer
    x = 17,689,329.37

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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.