Home / 7,926,007.80-11,857,518.90-6,872,748.60

Finding the Fourth Proportional to 7,926,007.80, 11,857,518.90 and 6,872,748.60

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Solution

The fourth proportional to 7,926,007.80, 11,857,518.90 and 6,872,748.60 is: 10,281,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,007.80 : 11,857,518.90 = 6,872,748.60 : x
  2. Step 2: Convert to fraction form
    7,926,007.80/11,857,518.90 = 6,872,748.60/x
  3. Step 3: Cross multiply
    7,926,007.80x = 11,857,518.90 × 6,872,748.60
  4. Step 4: Simplify right side
    7,926,007.80x = 81,493,746,419,448.53
  5. Step 5: Solve for x
    x = 81,493,746,419,448.53/7,926,007.80
  6. Step 6: Final answer
    x = 10,281,815.07

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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.