Home / 21,810,284.84-30,096,964.86-12,020,699.36

Finding the Fourth Proportional to 21,810,284.84, 30,096,964.86 and 12,020,699.36

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Solution

The fourth proportional to 21,810,284.84, 30,096,964.86 and 12,020,699.36 is: 16,587,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,284.84 : 30,096,964.86 = 12,020,699.36 : x
  2. Step 2: Convert to fraction form
    21,810,284.84/30,096,964.86 = 12,020,699.36/x
  3. Step 3: Cross multiply
    21,810,284.84x = 30,096,964.86 × 12,020,699.36
  4. Step 4: Simplify right side
    21,810,284.84x = 361,786,566,230,544.44
  5. Step 5: Solve for x
    x = 361,786,566,230,544.44/21,810,284.84
  6. Step 6: Final answer
    x = 16,587,888.19

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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.