Home / 21,580,349-29,780,534.04-11,790,582.96

Finding the Fourth Proportional to 21,580,349, 29,780,534.04 and 11,790,582.96

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Solution

The fourth proportional to 21,580,349, 29,780,534.04 and 11,790,582.96 is: 16,270,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,349 : 29,780,534.04 = 11,790,582.96 : x
  2. Step 2: Convert to fraction form
    21,580,349/29,780,534.04 = 11,790,582.96/x
  3. Step 3: Cross multiply
    21,580,349x = 29,780,534.04 × 11,790,582.96
  4. Step 4: Simplify right side
    21,580,349x = 351,129,857,191,724
  5. Step 5: Solve for x
    x = 351,129,857,191,724/21,580,349
  6. Step 6: Final answer
    x = 16,270,814.58

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1.5x scale

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.