Home / 12,636,012.96-18,954,004.08-4,116,335.52

Finding the Fourth Proportional to 12,636,012.96, 18,954,004.08 and 4,116,335.52

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Solution

The fourth proportional to 12,636,012.96, 18,954,004.08 and 4,116,335.52 is: 6,174,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,012.96 : 18,954,004.08 = 4,116,335.52 : x
  2. Step 2: Convert to fraction form
    12,636,012.96/18,954,004.08 = 4,116,335.52/x
  3. Step 3: Cross multiply
    12,636,012.96x = 18,954,004.08 × 4,116,335.52
  4. Step 4: Simplify right side
    12,636,012.96x = 78,021,040,240,728.92
  5. Step 5: Solve for x
    x = 78,021,040,240,728.92/12,636,012.96
  6. Step 6: Final answer
    x = 6,174,498.28

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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.