Home / 13,488,441-18,614,035.46-7,293,472.89

Finding the Fourth Proportional to 13,488,441, 18,614,035.46 and 7,293,472.89

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Solution

The fourth proportional to 13,488,441, 18,614,035.46 and 7,293,472.89 is: 10,064,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,441 : 18,614,035.46 = 7,293,472.89 : x
  2. Step 2: Convert to fraction form
    13,488,441/18,614,035.46 = 7,293,472.89/x
  3. Step 3: Cross multiply
    13,488,441x = 18,614,035.46 × 7,293,472.89
  4. Step 4: Simplify right side
    13,488,441x = 135,760,962,964,541.30
  5. Step 5: Solve for x
    x = 135,760,962,964,541.30/13,488,441
  6. Step 6: Final answer
    x = 10,064,985.49

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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.