Home / 21,332,973.36-29,411,709.42-13,595,192.40

Finding the Fourth Proportional to 21,332,973.36, 29,411,709.42 and 13,595,192.40

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Solution

The fourth proportional to 21,332,973.36, 29,411,709.42 and 13,595,192.40 is: 18,743,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,973.36 : 29,411,709.42 = 13,595,192.40 : x
  2. Step 2: Convert to fraction form
    21,332,973.36/29,411,709.42 = 13,595,192.40/x
  3. Step 3: Cross multiply
    21,332,973.36x = 29,411,709.42 × 13,595,192.40
  4. Step 4: Simplify right side
    21,332,973.36x = 399,857,848,377,792.44
  5. Step 5: Solve for x
    x = 399,857,848,377,792.44/21,332,973.36
  6. Step 6: Final answer
    x = 18,743,652.92

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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.