Home / 12,158,730.38-18,240,305.36-5,768,923.28

Finding the Fourth Proportional to 12,158,730.38, 18,240,305.36 and 5,768,923.28

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Solution

The fourth proportional to 12,158,730.38, 18,240,305.36 and 5,768,923.28 is: 8,654,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,730.38 : 18,240,305.36 = 5,768,923.28 : x
  2. Step 2: Convert to fraction form
    12,158,730.38/18,240,305.36 = 5,768,923.28/x
  3. Step 3: Cross multiply
    12,158,730.38x = 18,240,305.36 × 5,768,923.28
  4. Step 4: Simplify right side
    12,158,730.38x = 105,226,922,105,566.64
  5. Step 5: Solve for x
    x = 105,226,922,105,566.64/12,158,730.38
  6. Step 6: Final answer
    x = 8,654,433.38

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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.