Home / 21,633,842.08-29,854,647.12-12,931,590.88

Finding the Fourth Proportional to 21,633,842.08, 29,854,647.12 and 12,931,590.88

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Solution

The fourth proportional to 21,633,842.08, 29,854,647.12 and 12,931,590.88 is: 17,845,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633,842.08 : 29,854,647.12 = 12,931,590.88 : x
  2. Step 2: Convert to fraction form
    21,633,842.08/29,854,647.12 = 12,931,590.88/x
  3. Step 3: Cross multiply
    21,633,842.08x = 29,854,647.12 × 12,931,590.88
  4. Step 4: Simplify right side
    21,633,842.08x = 386,068,082,422,610.31
  5. Step 5: Solve for x
    x = 386,068,082,422,610.31/21,633,842.08
  6. Step 6: Final answer
    x = 17,845,562.57

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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.