Home / 7,161,477.23-9,864,012.51-5,504,455.61

Finding the Fourth Proportional to 7,161,477.23, 9,864,012.51 and 5,504,455.61

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Solution

The fourth proportional to 7,161,477.23, 9,864,012.51 and 5,504,455.61 is: 7,581,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,477.23 : 9,864,012.51 = 5,504,455.61 : x
  2. Step 2: Convert to fraction form
    7,161,477.23/9,864,012.51 = 5,504,455.61/x
  3. Step 3: Cross multiply
    7,161,477.23x = 9,864,012.51 × 5,504,455.61
  4. Step 4: Simplify right side
    7,161,477.23x = 54,296,018,997,779.68
  5. Step 5: Solve for x
    x = 54,296,018,997,779.68/7,161,477.23
  6. Step 6: Final answer
    x = 7,581,678.65

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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.