Home / 7,173,167.88-9,898,673.82-3,909,910.80

Finding the Fourth Proportional to 7,173,167.88, 9,898,673.82 and 3,909,910.80

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Solution

The fourth proportional to 7,173,167.88, 9,898,673.82 and 3,909,910.80 is: 5,395,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,167.88 : 9,898,673.82 = 3,909,910.80 : x
  2. Step 2: Convert to fraction form
    7,173,167.88/9,898,673.82 = 3,909,910.80/x
  3. Step 3: Cross multiply
    7,173,167.88x = 9,898,673.82 × 3,909,910.80
  4. Step 4: Simplify right side
    7,173,167.88x = 38,702,931,674,495.26
  5. Step 5: Solve for x
    x = 38,702,931,674,495.26/7,173,167.88
  6. Step 6: Final answer
    x = 5,395,514.55

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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.