Home / 12,016,838-18,027,516.90-4,828,941.74

Finding the Fourth Proportional to 12,016,838, 18,027,516.90 and 4,828,941.74

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Solution

The fourth proportional to 12,016,838, 18,027,516.90 and 4,828,941.74 is: 7,244,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,838 : 18,027,516.90 = 4,828,941.74 : x
  2. Step 2: Convert to fraction form
    12,016,838/18,027,516.90 = 4,828,941.74/x
  3. Step 3: Cross multiply
    12,016,838x = 18,027,516.90 × 4,828,941.74
  4. Step 4: Simplify right side
    12,016,838x = 87,053,828,826,965.41
  5. Step 5: Solve for x
    x = 87,053,828,826,965.41/12,016,838
  6. Step 6: Final answer
    x = 7,244,320.75

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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.