Home / 12,492,531.92-18,740,662.20-3,973,146.32

Finding the Fourth Proportional to 12,492,531.92, 18,740,662.20 and 3,973,146.32

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Solution

The fourth proportional to 12,492,531.92, 18,740,662.20 and 3,973,146.32 is: 5,960,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,531.92 : 18,740,662.20 = 3,973,146.32 : x
  2. Step 2: Convert to fraction form
    12,492,531.92/18,740,662.20 = 3,973,146.32/x
  3. Step 3: Cross multiply
    12,492,531.92x = 18,740,662.20 × 3,973,146.32
  4. Step 4: Simplify right side
    12,492,531.92x = 74,459,393,054,293.09
  5. Step 5: Solve for x
    x = 74,459,393,054,293.09/12,492,531.92
  6. Step 6: Final answer
    x = 5,960,312.41

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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.