Home / 19,720,308.40-29,580,462.60-11,217,252.40

Finding the Fourth Proportional to 19,720,308.40, 29,580,462.60 and 11,217,252.40

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Solution

The fourth proportional to 19,720,308.40, 29,580,462.60 and 11,217,252.40 is: 16,825,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,308.40 : 29,580,462.60 = 11,217,252.40 : x
  2. Step 2: Convert to fraction form
    19,720,308.40/29,580,462.60 = 11,217,252.40/x
  3. Step 3: Cross multiply
    19,720,308.40x = 29,580,462.60 × 11,217,252.40
  4. Step 4: Simplify right side
    19,720,308.40x = 331,811,515,092,960.25
  5. Step 5: Solve for x
    x = 331,811,515,092,960.25/19,720,308.40
  6. Step 6: Final answer
    x = 16,825,878.60

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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.