Home / 10,930,073.64-15,087,755.22-9,782,160.36

Finding the Fourth Proportional to 10,930,073.64, 15,087,755.22 and 9,782,160.36

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Solution

The fourth proportional to 10,930,073.64, 15,087,755.22 and 9,782,160.36 is: 13,503,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930,073.64 : 15,087,755.22 = 9,782,160.36 : x
  2. Step 2: Convert to fraction form
    10,930,073.64/15,087,755.22 = 9,782,160.36/x
  3. Step 3: Cross multiply
    10,930,073.64x = 15,087,755.22 × 9,782,160.36
  4. Step 4: Simplify right side
    10,930,073.64x = 147,590,841,034,467.06
  5. Step 5: Solve for x
    x = 147,590,841,034,467.06/10,930,073.64
  6. Step 6: Final answer
    x = 13,503,188.17

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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.