Home / 11,065,615.20-16,580,708.10-7,274,669.40

Finding the Fourth Proportional to 11,065,615.20, 16,580,708.10 and 7,274,669.40

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Solution

The fourth proportional to 11,065,615.20, 16,580,708.10 and 7,274,669.40 is: 10,900,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065,615.20 : 16,580,708.10 = 7,274,669.40 : x
  2. Step 2: Convert to fraction form
    11,065,615.20/16,580,708.10 = 7,274,669.40/x
  3. Step 3: Cross multiply
    11,065,615.20x = 16,580,708.10 × 7,274,669.40
  4. Step 4: Simplify right side
    11,065,615.20x = 120,619,169,845,402.14
  5. Step 5: Solve for x
    x = 120,619,169,845,402.14/11,065,615.20
  6. Step 6: Final answer
    x = 10,900,358.24

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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.