Home / 18,803,007.36-25,938,600.48-12,280,454.82

Finding the Fourth Proportional to 18,803,007.36, 25,938,600.48 and 12,280,454.82

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Solution

The fourth proportional to 18,803,007.36, 25,938,600.48 and 12,280,454.82 is: 16,940,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803,007.36 : 25,938,600.48 = 12,280,454.82 : x
  2. Step 2: Convert to fraction form
    18,803,007.36/25,938,600.48 = 12,280,454.82/x
  3. Step 3: Cross multiply
    18,803,007.36x = 25,938,600.48 × 12,280,454.82
  4. Step 4: Simplify right side
    18,803,007.36x = 318,537,811,288,670.31
  5. Step 5: Solve for x
    x = 318,537,811,288,670.31/18,803,007.36
  6. Step 6: Final answer
    x = 16,940,790.65

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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.