Home / 14,385,701.82-21,473,609.48-12,569,649.83

Finding the Fourth Proportional to 14,385,701.82, 21,473,609.48 and 12,569,649.83

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Solution

The fourth proportional to 14,385,701.82, 21,473,609.48 and 12,569,649.83 is: 18,762,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385,701.82 : 21,473,609.48 = 12,569,649.83 : x
  2. Step 2: Convert to fraction form
    14,385,701.82/21,473,609.48 = 12,569,649.83/x
  3. Step 3: Cross multiply
    14,385,701.82x = 21,473,609.48 × 12,569,649.83
  4. Step 4: Simplify right side
    14,385,701.82x = 269,915,751,707,214.31
  5. Step 5: Solve for x
    x = 269,915,751,707,214.31/14,385,701.82
  6. Step 6: Final answer
    x = 18,762,779.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.