Home / 19,992,609.09-29,988,913.65-4,846,540.59

Finding the Fourth Proportional to 19,992,609.09, 29,988,913.65 and 4,846,540.59

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Solution

The fourth proportional to 19,992,609.09, 29,988,913.65 and 4,846,540.59 is: 7,269,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992,609.09 : 29,988,913.65 = 4,846,540.59 : x
  2. Step 2: Convert to fraction form
    19,992,609.09/29,988,913.65 = 4,846,540.59/x
  3. Step 3: Cross multiply
    19,992,609.09x = 29,988,913.65 × 4,846,540.59
  4. Step 4: Simplify right side
    19,992,609.09x = 145,342,487,254,730.03
  5. Step 5: Solve for x
    x = 145,342,487,254,730.03/19,992,609.09
  6. Step 6: Final answer
    x = 7,269,810.89

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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.