Home / 21,420,176.96-29,559,879.24-11,630,640.08

Finding the Fourth Proportional to 21,420,176.96, 29,559,879.24 and 11,630,640.08

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Solution

The fourth proportional to 21,420,176.96, 29,559,879.24 and 11,630,640.08 is: 16,050,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,420,176.96 : 29,559,879.24 = 11,630,640.08 : x
  2. Step 2: Convert to fraction form
    21,420,176.96/29,559,879.24 = 11,630,640.08/x
  3. Step 3: Cross multiply
    21,420,176.96x = 29,559,879.24 × 11,630,640.08
  4. Step 4: Simplify right side
    21,420,176.96x = 343,800,316,248,703.94
  5. Step 5: Solve for x
    x = 343,800,316,248,703.94/21,420,176.96
  6. Step 6: Final answer
    x = 16,050,302.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.