Home / 20,552,687.05-28,362,730.33-11,133,500.16

Finding the Fourth Proportional to 20,552,687.05, 28,362,730.33 and 11,133,500.16

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Solution

The fourth proportional to 20,552,687.05, 28,362,730.33 and 11,133,500.16 is: 15,364,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,687.05 : 28,362,730.33 = 11,133,500.16 : x
  2. Step 2: Convert to fraction form
    20,552,687.05/28,362,730.33 = 11,133,500.16/x
  3. Step 3: Cross multiply
    20,552,687.05x = 28,362,730.33 × 11,133,500.16
  4. Step 4: Simplify right side
    20,552,687.05x = 315,776,462,745,618.38
  5. Step 5: Solve for x
    x = 315,776,462,745,618.38/20,552,687.05
  6. Step 6: Final answer
    x = 15,364,242.25

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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.