Home / 14,820,539.28-20,451,904.13-8,205,421.97

Finding the Fourth Proportional to 14,820,539.28, 20,451,904.13 and 8,205,421.97

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Solution

The fourth proportional to 14,820,539.28, 20,451,904.13 and 8,205,421.97 is: 11,323,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820,539.28 : 20,451,904.13 = 8,205,421.97 : x
  2. Step 2: Convert to fraction form
    14,820,539.28/20,451,904.13 = 8,205,421.97/x
  3. Step 3: Cross multiply
    14,820,539.28x = 20,451,904.13 × 8,205,421.97
  4. Step 4: Simplify right side
    14,820,539.28x = 167,816,503,333,349.09
  5. Step 5: Solve for x
    x = 167,816,503,333,349.09/14,820,539.28
  6. Step 6: Final answer
    x = 11,323,238.66

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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.