Home / 13,860,116.48-20,775,514.00-5,220,478.69

Finding the Fourth Proportional to 13,860,116.48, 20,775,514.00 and 5,220,478.69

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Solution

The fourth proportional to 13,860,116.48, 20,775,514.00 and 5,220,478.69 is: 7,825,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,116.48 : 20,775,514.00 = 5,220,478.69 : x
  2. Step 2: Convert to fraction form
    13,860,116.48/20,775,514.00 = 5,220,478.69/x
  3. Step 3: Cross multiply
    13,860,116.48x = 20,775,514.00 × 5,220,478.69
  4. Step 4: Simplify right side
    13,860,116.48x = 108,458,128,070,275.06
  5. Step 5: Solve for x
    x = 108,458,128,070,275.06/13,860,116.48
  6. Step 6: Final answer
    x = 7,825,196.00

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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.