Home / 14,618,199.04-20,173,160.72-7,912,529.92

Finding the Fourth Proportional to 14,618,199.04, 20,173,160.72 and 7,912,529.92

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Solution

The fourth proportional to 14,618,199.04, 20,173,160.72 and 7,912,529.92 is: 10,919,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,199.04 : 20,173,160.72 = 7,912,529.92 : x
  2. Step 2: Convert to fraction form
    14,618,199.04/20,173,160.72 = 7,912,529.92/x
  3. Step 3: Cross multiply
    14,618,199.04x = 20,173,160.72 × 7,912,529.92
  4. Step 4: Simplify right side
    14,618,199.04x = 159,620,737,777,968.72
  5. Step 5: Solve for x
    x = 159,620,737,777,968.72/14,618,199.04
  6. Step 6: Final answer
    x = 10,919,316.21

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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.