Home / 15,779,668.73-21,775,729.97-8,810,453.63

Finding the Fourth Proportional to 15,779,668.73, 21,775,729.97 and 8,810,453.63

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Solution

The fourth proportional to 15,779,668.73, 21,775,729.97 and 8,810,453.63 is: 12,158,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,668.73 : 21,775,729.97 = 8,810,453.63 : x
  2. Step 2: Convert to fraction form
    15,779,668.73/21,775,729.97 = 8,810,453.63/x
  3. Step 3: Cross multiply
    15,779,668.73x = 21,775,729.97 × 8,810,453.63
  4. Step 4: Simplify right side
    15,779,668.73x = 191,854,059,236,551.75
  5. Step 5: Solve for x
    x = 191,854,059,236,551.75/15,779,668.73
  6. Step 6: Final answer
    x = 12,158,307.16

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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.