Home / 21,491,808.80-29,658,437.76-11,702,250.02

Finding the Fourth Proportional to 21,491,808.80, 29,658,437.76 and 11,702,250.02

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Solution

The fourth proportional to 21,491,808.80, 29,658,437.76 and 11,702,250.02 is: 16,148,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,808.80 : 29,658,437.76 = 11,702,250.02 : x
  2. Step 2: Convert to fraction form
    21,491,808.80/29,658,437.76 = 11,702,250.02/x
  3. Step 3: Cross multiply
    21,491,808.80x = 29,658,437.76 × 11,702,250.02
  4. Step 4: Simplify right side
    21,491,808.80x = 347,070,453,870,128.75
  5. Step 5: Solve for x
    x = 347,070,453,870,128.75/21,491,808.80
  6. Step 6: Final answer
    x = 16,148,964.34

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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.