Home / 13,555,820.88-18,707,154.12-7,444,293.12

Finding the Fourth Proportional to 13,555,820.88, 18,707,154.12 and 7,444,293.12

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Solution

The fourth proportional to 13,555,820.88, 18,707,154.12 and 7,444,293.12 is: 10,273,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,820.88 : 18,707,154.12 = 7,444,293.12 : x
  2. Step 2: Convert to fraction form
    13,555,820.88/18,707,154.12 = 7,444,293.12/x
  3. Step 3: Cross multiply
    13,555,820.88x = 18,707,154.12 × 7,444,293.12
  4. Step 4: Simplify right side
    13,555,820.88x = 139,261,538,710,295.67
  5. Step 5: Solve for x
    x = 139,261,538,710,295.67/13,555,820.88
  6. Step 6: Final answer
    x = 10,273,191.12

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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.