Home / 21,526,281.12-29,706,499.80-11,736,645.42

Finding the Fourth Proportional to 21,526,281.12, 29,706,499.80 and 11,736,645.42

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Solution

The fourth proportional to 21,526,281.12, 29,706,499.80 and 11,736,645.42 is: 16,196,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,281.12 : 29,706,499.80 = 11,736,645.42 : x
  2. Step 2: Convert to fraction form
    21,526,281.12/29,706,499.80 = 11,736,645.42/x
  3. Step 3: Cross multiply
    21,526,281.12x = 29,706,499.80 × 11,736,645.42
  4. Step 4: Simplify right side
    21,526,281.12x = 348,654,654,821,900.94
  5. Step 5: Solve for x
    x = 348,654,654,821,900.94/21,526,281.12
  6. Step 6: Final answer
    x = 16,196,697.09

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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.