Home / 13,261,232.16-18,299,217.60-7,462,020.96

Finding the Fourth Proportional to 13,261,232.16, 18,299,217.60 and 7,462,020.96

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Solution

The fourth proportional to 13,261,232.16, 18,299,217.60 and 7,462,020.96 is: 10,296,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,232.16 : 18,299,217.60 = 7,462,020.96 : x
  2. Step 2: Convert to fraction form
    13,261,232.16/18,299,217.60 = 7,462,020.96/x
  3. Step 3: Cross multiply
    13,261,232.16x = 18,299,217.60 × 7,462,020.96
  4. Step 4: Simplify right side
    13,261,232.16x = 136,549,145,282,800.91
  5. Step 5: Solve for x
    x = 136,549,145,282,800.91/13,261,232.16
  6. Step 6: Final answer
    x = 10,296,867.11

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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.