Home / 13,635,909.72-18,817,954.71-7,441,355.61

Finding the Fourth Proportional to 13,635,909.72, 18,817,954.71 and 7,441,355.61

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Solution

The fourth proportional to 13,635,909.72, 18,817,954.71 and 7,441,355.61 is: 10,269,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,909.72 : 18,817,954.71 = 7,441,355.61 : x
  2. Step 2: Convert to fraction form
    13,635,909.72/18,817,954.71 = 7,441,355.61/x
  3. Step 3: Cross multiply
    13,635,909.72x = 18,817,954.71 × 7,441,355.61
  4. Step 4: Simplify right side
    13,635,909.72x = 140,031,092,849,984.44
  5. Step 5: Solve for x
    x = 140,031,092,849,984.44/13,635,909.72
  6. Step 6: Final answer
    x = 10,269,288.64

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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.