Home / 15,333,651.40-21,167,240.36-9,903,791.56

Finding the Fourth Proportional to 15,333,651.40, 21,167,240.36 and 9,903,791.56

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Solution

The fourth proportional to 15,333,651.40, 21,167,240.36 and 9,903,791.56 is: 13,671,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333,651.40 : 21,167,240.36 = 9,903,791.56 : x
  2. Step 2: Convert to fraction form
    15,333,651.40/21,167,240.36 = 9,903,791.56/x
  3. Step 3: Cross multiply
    15,333,651.40x = 21,167,240.36 × 9,903,791.56
  4. Step 4: Simplify right side
    15,333,651.40x = 209,635,936,425,859.38
  5. Step 5: Solve for x
    x = 209,635,936,425,859.38/15,333,651.40
  6. Step 6: Final answer
    x = 13,671,625.30

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1.5x scale

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.