Home / 13,229,555.76-18,261,066.96-8,575,127.76

Finding the Fourth Proportional to 13,229,555.76, 18,261,066.96 and 8,575,127.76

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Solution

The fourth proportional to 13,229,555.76, 18,261,066.96 and 8,575,127.76 is: 11,836,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,555.76 : 18,261,066.96 = 8,575,127.76 : x
  2. Step 2: Convert to fraction form
    13,229,555.76/18,261,066.96 = 8,575,127.76/x
  3. Step 3: Cross multiply
    13,229,555.76x = 18,261,066.96 × 8,575,127.76
  4. Step 4: Simplify right side
    13,229,555.76x = 156,590,982,215,914.81
  5. Step 5: Solve for x
    x = 156,590,982,215,914.81/13,229,555.76
  6. Step 6: Final answer
    x = 11,836,450.52

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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.