Home / 21,805,368.69-30,091,610.58-12,016,163.19

Finding the Fourth Proportional to 21,805,368.69, 30,091,610.58 and 12,016,163.19

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Solution

The fourth proportional to 21,805,368.69, 30,091,610.58 and 12,016,163.19 is: 16,582,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,368.69 : 30,091,610.58 = 12,016,163.19 : x
  2. Step 2: Convert to fraction form
    21,805,368.69/30,091,610.58 = 12,016,163.19/x
  3. Step 3: Cross multiply
    21,805,368.69x = 30,091,610.58 × 12,016,163.19
  4. Step 4: Simplify right side
    21,805,368.69x = 361,585,703,379,210.50
  5. Step 5: Solve for x
    x = 361,585,703,379,210.50/21,805,368.69
  6. Step 6: Final answer
    x = 16,582,416.40

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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.