Home / 36,910,966.55-50,938,590.79-21,229,965.98

Finding the Fourth Proportional to 36,910,966.55, 50,938,590.79 and 21,229,965.98

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Solution

The fourth proportional to 36,910,966.55, 50,938,590.79 and 21,229,965.98 is: 29,298,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910,966.55 : 50,938,590.79 = 21,229,965.98 : x
  2. Step 2: Convert to fraction form
    36,910,966.55/50,938,590.79 = 21,229,965.98/x
  3. Step 3: Cross multiply
    36,910,966.55x = 50,938,590.79 × 21,229,965.98
  4. Step 4: Simplify right side
    36,910,966.55x = 1,081,424,549,503,705.62
  5. Step 5: Solve for x
    x = 1,081,424,549,503,705.62/36,910,966.55
  6. Step 6: Final answer
    x = 29,298,191.05

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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.