Home / 13,720,577.88-18,934,424.82-7,525,675.20

Finding the Fourth Proportional to 13,720,577.88, 18,934,424.82 and 7,525,675.20

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Solution

The fourth proportional to 13,720,577.88, 18,934,424.82 and 7,525,675.20 is: 10,385,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,577.88 : 18,934,424.82 = 7,525,675.20 : x
  2. Step 2: Convert to fraction form
    13,720,577.88/18,934,424.82 = 7,525,675.20/x
  3. Step 3: Cross multiply
    13,720,577.88x = 18,934,424.82 × 7,525,675.20
  4. Step 4: Simplify right side
    13,720,577.88x = 142,494,331,294,138.47
  5. Step 5: Solve for x
    x = 142,494,331,294,138.47/13,720,577.88
  6. Step 6: Final answer
    x = 10,385,446.77

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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.