Home / 18,590,543.28-25,647,458.29-11,235,607.36

Finding the Fourth Proportional to 18,590,543.28, 25,647,458.29 and 11,235,607.36

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Solution

The fourth proportional to 18,590,543.28, 25,647,458.29 and 11,235,607.36 is: 15,500,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,543.28 : 25,647,458.29 = 11,235,607.36 : x
  2. Step 2: Convert to fraction form
    18,590,543.28/25,647,458.29 = 11,235,607.36/x
  3. Step 3: Cross multiply
    18,590,543.28x = 25,647,458.29 × 11,235,607.36
  4. Step 4: Simplify right side
    18,590,543.28x = 288,164,771,036,209.38
  5. Step 5: Solve for x
    x = 288,164,771,036,209.38/18,590,543.28
  6. Step 6: Final answer
    x = 15,500,610.54

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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.