Home / 28,012,771.48-38,657,624.22-15,135,715.48

Finding the Fourth Proportional to 28,012,771.48, 38,657,624.22 and 15,135,715.48

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Solution

The fourth proportional to 28,012,771.48, 38,657,624.22 and 15,135,715.48 is: 20,887,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,771.48 : 38,657,624.22 = 15,135,715.48 : x
  2. Step 2: Convert to fraction form
    28,012,771.48/38,657,624.22 = 15,135,715.48/x
  3. Step 3: Cross multiply
    28,012,771.48x = 38,657,624.22 × 15,135,715.48
  4. Step 4: Simplify right side
    28,012,771.48x = 585,110,801,326,676.88
  5. Step 5: Solve for x
    x = 585,110,801,326,676.88/28,012,771.48
  6. Step 6: Final answer
    x = 20,887,287.13

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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.