Home / 13,611,500.64-20,426,680.56-5,413,302.72

Finding the Fourth Proportional to 13,611,500.64, 20,426,680.56 and 5,413,302.72

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Solution

The fourth proportional to 13,611,500.64, 20,426,680.56 and 5,413,302.72 is: 8,123,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,500.64 : 20,426,680.56 = 5,413,302.72 : x
  2. Step 2: Convert to fraction form
    13,611,500.64/20,426,680.56 = 5,413,302.72/x
  3. Step 3: Cross multiply
    13,611,500.64x = 20,426,680.56 × 5,413,302.72
  4. Step 4: Simplify right side
    13,611,500.64x = 110,575,805,436,019.11
  5. Step 5: Solve for x
    x = 110,575,805,436,019.11/13,611,500.64
  6. Step 6: Final answer
    x = 8,123,704.24

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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.