Home / 13,893,007.31-19,172,331.10-7,698,455.04

Finding the Fourth Proportional to 13,893,007.31, 19,172,331.10 and 7,698,455.04

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Solution

The fourth proportional to 13,893,007.31, 19,172,331.10 and 7,698,455.04 is: 10,623,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893,007.31 : 19,172,331.10 = 7,698,455.04 : x
  2. Step 2: Convert to fraction form
    13,893,007.31/19,172,331.10 = 7,698,455.04/x
  3. Step 3: Cross multiply
    13,893,007.31x = 19,172,331.10 × 7,698,455.04
  4. Step 4: Simplify right side
    13,893,007.31x = 147,597,328,985,343.75
  5. Step 5: Solve for x
    x = 147,597,328,985,343.75/13,893,007.31
  6. Step 6: Final answer
    x = 10,623,857.43

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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.