Home / 13,971,028.80-20,956,543.20-5,893,125.60

Finding the Fourth Proportional to 13,971,028.80, 20,956,543.20 and 5,893,125.60

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Solution

The fourth proportional to 13,971,028.80, 20,956,543.20 and 5,893,125.60 is: 8,839,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,028.80 : 20,956,543.20 = 5,893,125.60 : x
  2. Step 2: Convert to fraction form
    13,971,028.80/20,956,543.20 = 5,893,125.60/x
  3. Step 3: Cross multiply
    13,971,028.80x = 20,956,543.20 × 5,893,125.60
  4. Step 4: Simplify right side
    13,971,028.80x = 123,499,541,219,425.91
  5. Step 5: Solve for x
    x = 123,499,541,219,425.91/13,971,028.80
  6. Step 6: Final answer
    x = 8,839,688.40

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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.