Home / 12,561,350.40-18,821,030.40-10,755,763.20

Finding the Fourth Proportional to 12,561,350.40, 18,821,030.40 and 10,755,763.20

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Solution

The fourth proportional to 12,561,350.40, 18,821,030.40 and 10,755,763.20 is: 16,115,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,350.40 : 18,821,030.40 = 10,755,763.20 : x
  2. Step 2: Convert to fraction form
    12,561,350.40/18,821,030.40 = 10,755,763.20/x
  3. Step 3: Cross multiply
    12,561,350.40x = 18,821,030.40 × 10,755,763.20
  4. Step 4: Simplify right side
    12,561,350.40x = 202,434,546,162,401.25
  5. Step 5: Solve for x
    x = 202,434,546,162,401.25/12,561,350.40
  6. Step 6: Final answer
    x = 16,115,667.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.