Home / 13,054,682.24-18,009,881.16-8,156,567.69

Finding the Fourth Proportional to 13,054,682.24, 18,009,881.16 and 8,156,567.69

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Solution

The fourth proportional to 13,054,682.24, 18,009,881.16 and 8,156,567.69 is: 11,252,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054,682.24 : 18,009,881.16 = 8,156,567.69 : x
  2. Step 2: Convert to fraction form
    13,054,682.24/18,009,881.16 = 8,156,567.69/x
  3. Step 3: Cross multiply
    13,054,682.24x = 18,009,881.16 × 8,156,567.69
  4. Step 4: Simplify right side
    13,054,682.24x = 146,898,814,680,346.31
  5. Step 5: Solve for x
    x = 146,898,814,680,346.31/13,054,682.24
  6. Step 6: Final answer
    x = 11,252,576.82

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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.