Home / 13,807,669.83-20,711,502.31-13,117,257.96

Finding the Fourth Proportional to 13,807,669.83, 20,711,502.31 and 13,117,257.96

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Solution

The fourth proportional to 13,807,669.83, 20,711,502.31 and 13,117,257.96 is: 19,675,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,669.83 : 20,711,502.31 = 13,117,257.96 : x
  2. Step 2: Convert to fraction form
    13,807,669.83/20,711,502.31 = 13,117,257.96/x
  3. Step 3: Cross multiply
    13,807,669.83x = 20,711,502.31 × 13,117,257.96
  4. Step 4: Simplify right side
    13,807,669.83x = 271,678,118,539,405.88
  5. Step 5: Solve for x
    x = 271,678,118,539,405.88/13,807,669.83
  6. Step 6: Final answer
    x = 19,675,884.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.