Home / 10,953,379.40-15,110,634.66-7,087,160.84

Finding the Fourth Proportional to 10,953,379.40, 15,110,634.66 and 7,087,160.84

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Solution

The fourth proportional to 10,953,379.40, 15,110,634.66 and 7,087,160.84 is: 9,777,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953,379.40 : 15,110,634.66 = 7,087,160.84 : x
  2. Step 2: Convert to fraction form
    10,953,379.40/15,110,634.66 = 7,087,160.84/x
  3. Step 3: Cross multiply
    10,953,379.40x = 15,110,634.66 × 7,087,160.84
  4. Step 4: Simplify right side
    10,953,379.40x = 107,091,498,229,898.72
  5. Step 5: Solve for x
    x = 107,091,498,229,898.72/10,953,379.40
  6. Step 6: Final answer
    x = 9,777,028.10

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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.