Home / 21,308,141.58-29,385,625.20-13,963,307.12

Finding the Fourth Proportional to 21,308,141.58, 29,385,625.20 and 13,963,307.12

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Solution

The fourth proportional to 21,308,141.58, 29,385,625.20 and 13,963,307.12 is: 19,256,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,141.58 : 29,385,625.20 = 13,963,307.12 : x
  2. Step 2: Convert to fraction form
    21,308,141.58/29,385,625.20 = 13,963,307.12/x
  3. Step 3: Cross multiply
    21,308,141.58x = 29,385,625.20 × 13,963,307.12
  4. Step 4: Simplify right side
    21,308,141.58x = 410,320,509,580,811.38
  5. Step 5: Solve for x
    x = 410,320,509,580,811.38/21,308,141.58
  6. Step 6: Final answer
    x = 19,256,513.20

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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.