Home / 13,747,013.37-18,970,347.84-7,635,829.05

Finding the Fourth Proportional to 13,747,013.37, 18,970,347.84 and 7,635,829.05

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Solution

The fourth proportional to 13,747,013.37, 18,970,347.84 and 7,635,829.05 is: 10,537,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,013.37 : 18,970,347.84 = 7,635,829.05 : x
  2. Step 2: Convert to fraction form
    13,747,013.37/18,970,347.84 = 7,635,829.05/x
  3. Step 3: Cross multiply
    13,747,013.37x = 18,970,347.84 × 7,635,829.05
  4. Step 4: Simplify right side
    13,747,013.37x = 144,854,333,125,276.75
  5. Step 5: Solve for x
    x = 144,854,333,125,276.75/13,747,013.37
  6. Step 6: Final answer
    x = 10,537,149.36

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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.