Home / 21,946,184.43-30,261,469.69-13,986,123.32

Finding the Fourth Proportional to 21,946,184.43, 30,261,469.69 and 13,986,123.32

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Solution

The fourth proportional to 21,946,184.43, 30,261,469.69 and 13,986,123.32 is: 19,285,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946,184.43 : 30,261,469.69 = 13,986,123.32 : x
  2. Step 2: Convert to fraction form
    21,946,184.43/30,261,469.69 = 13,986,123.32/x
  3. Step 3: Cross multiply
    21,946,184.43x = 30,261,469.69 × 13,986,123.32
  4. Step 4: Simplify right side
    21,946,184.43x = 423,240,646,777,474.81
  5. Step 5: Solve for x
    x = 423,240,646,777,474.81/21,946,184.43
  6. Step 6: Final answer
    x = 19,285,386.40

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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.