Home / 21,751,281.12-30,017,538.22-11,962,482.96

Finding the Fourth Proportional to 21,751,281.12, 30,017,538.22 and 11,962,482.96

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Solution

The fourth proportional to 21,751,281.12, 30,017,538.22 and 11,962,482.96 is: 16,508,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,281.12 : 30,017,538.22 = 11,962,482.96 : x
  2. Step 2: Convert to fraction form
    21,751,281.12/30,017,538.22 = 11,962,482.96/x
  3. Step 3: Cross multiply
    21,751,281.12x = 30,017,538.22 × 11,962,482.96
  4. Step 4: Simplify right side
    21,751,281.12x = 359,084,289,457,898.75
  5. Step 5: Solve for x
    x = 359,084,289,457,898.75/21,751,281.12
  6. Step 6: Final answer
    x = 16,508,650.11

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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.