Home / 16,638,328.80-24,965,787.60-9,455,378.40

Finding the Fourth Proportional to 16,638,328.80, 24,965,787.60 and 9,455,378.40

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Solution

The fourth proportional to 16,638,328.80, 24,965,787.60 and 9,455,378.40 is: 14,187,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,328.80 : 24,965,787.60 = 9,455,378.40 : x
  2. Step 2: Convert to fraction form
    16,638,328.80/24,965,787.60 = 9,455,378.40/x
  3. Step 3: Cross multiply
    16,638,328.80x = 24,965,787.60 × 9,455,378.40
  4. Step 4: Simplify right side
    16,638,328.80x = 236,060,968,812,027.88
  5. Step 5: Solve for x
    x = 236,060,968,812,027.88/16,638,328.80
  6. Step 6: Final answer
    x = 14,187,781.22

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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.