Home / 7,019,654.58-9,687,187.41-4,119,093.78

Finding the Fourth Proportional to 7,019,654.58, 9,687,187.41 and 4,119,093.78

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Solution

The fourth proportional to 7,019,654.58, 9,687,187.41 and 4,119,093.78 is: 5,684,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,654.58 : 9,687,187.41 = 4,119,093.78 : x
  2. Step 2: Convert to fraction form
    7,019,654.58/9,687,187.41 = 4,119,093.78/x
  3. Step 3: Cross multiply
    7,019,654.58x = 9,687,187.41 × 4,119,093.78
  4. Step 4: Simplify right side
    7,019,654.58x = 39,902,433,406,225.30
  5. Step 5: Solve for x
    x = 39,902,433,406,225.30/7,019,654.58
  6. Step 6: Final answer
    x = 5,684,387.02

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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.