Home / 18,803,003.32-25,938,594.84-12,280,450.78

Finding the Fourth Proportional to 18,803,003.32, 25,938,594.84 and 12,280,450.78

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Solution

The fourth proportional to 18,803,003.32, 25,938,594.84 and 12,280,450.78 is: 16,940,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803,003.32 : 25,938,594.84 = 12,280,450.78 : x
  2. Step 2: Convert to fraction form
    18,803,003.32/25,938,594.84 = 12,280,450.78/x
  3. Step 3: Cross multiply
    18,803,003.32x = 25,938,594.84 × 12,280,450.78
  4. Step 4: Simplify right side
    18,803,003.32x = 318,537,637,234,981.94
  5. Step 5: Solve for x
    x = 318,537,637,234,981.94/18,803,003.32
  6. Step 6: Final answer
    x = 16,940,785.03

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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.