Home / 7,009,489.78-10,514,150.06-1,821,639.77

Finding the Fourth Proportional to 7,009,489.78, 10,514,150.06 and 1,821,639.77

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Solution

The fourth proportional to 7,009,489.78, 10,514,150.06 and 1,821,639.77 is: 2,732,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,489.78 : 10,514,150.06 = 1,821,639.77 : x
  2. Step 2: Convert to fraction form
    7,009,489.78/10,514,150.06 = 1,821,639.77/x
  3. Step 3: Cross multiply
    7,009,489.78x = 10,514,150.06 × 1,821,639.77
  4. Step 4: Simplify right side
    7,009,489.78x = 19,152,993,844,473.14
  5. Step 5: Solve for x
    x = 19,152,993,844,473.14/7,009,489.78
  6. Step 6: Final answer
    x = 2,732,437.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.