Home / 12,254,954.10-18,382,431.15-3,735,276.90

Finding the Fourth Proportional to 12,254,954.10, 18,382,431.15 and 3,735,276.90

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Solution

The fourth proportional to 12,254,954.10, 18,382,431.15 and 3,735,276.90 is: 5,602,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,954.10 : 18,382,431.15 = 3,735,276.90 : x
  2. Step 2: Convert to fraction form
    12,254,954.10/18,382,431.15 = 3,735,276.90/x
  3. Step 3: Cross multiply
    12,254,954.10x = 18,382,431.15 × 3,735,276.90
  4. Step 4: Simplify right side
    12,254,954.10x = 68,663,470,440,435.43
  5. Step 5: Solve for x
    x = 68,663,470,440,435.43/12,254,954.10
  6. Step 6: Final answer
    x = 5,602,915.35

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Similar ratio
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1.5x scale

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.