Home / 13,755,453.93-18,982,567.83-7,561,135.46

Finding the Fourth Proportional to 13,755,453.93, 18,982,567.83 and 7,561,135.46

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Solution

The fourth proportional to 13,755,453.93, 18,982,567.83 and 7,561,135.46 is: 10,434,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,453.93 : 18,982,567.83 = 7,561,135.46 : x
  2. Step 2: Convert to fraction form
    13,755,453.93/18,982,567.83 = 7,561,135.46/x
  3. Step 3: Cross multiply
    13,755,453.93x = 18,982,567.83 × 7,561,135.46
  4. Step 4: Simplify right side
    13,755,453.93x = 143,529,766,817,078.94
  5. Step 5: Solve for x
    x = 143,529,766,817,078.94/13,755,453.93
  6. Step 6: Final answer
    x = 10,434,389.70

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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.