Home / 10,494,521.56-15,741,785.22-8,101,858.84

Finding the Fourth Proportional to 10,494,521.56, 15,741,785.22 and 8,101,858.84

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Solution

The fourth proportional to 10,494,521.56, 15,741,785.22 and 8,101,858.84 is: 12,152,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494,521.56 : 15,741,785.22 = 8,101,858.84 : x
  2. Step 2: Convert to fraction form
    10,494,521.56/15,741,785.22 = 8,101,858.84/x
  3. Step 3: Cross multiply
    10,494,521.56x = 15,741,785.22 × 8,101,858.84
  4. Step 4: Simplify right side
    10,494,521.56x = 127,537,721,742,038.34
  5. Step 5: Solve for x
    x = 127,537,721,742,038.34/10,494,521.56
  6. Step 6: Final answer
    x = 12,152,790.48

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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.