Home / 7,520,642.42-10,378,486.77-4,082,878.58

Finding the Fourth Proportional to 7,520,642.42, 10,378,486.77 and 4,082,878.58

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Solution

The fourth proportional to 7,520,642.42, 10,378,486.77 and 4,082,878.58 is: 5,634,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,642.42 : 10,378,486.77 = 4,082,878.58 : x
  2. Step 2: Convert to fraction form
    7,520,642.42/10,378,486.77 = 4,082,878.58/x
  3. Step 3: Cross multiply
    7,520,642.42x = 10,378,486.77 × 4,082,878.58
  4. Step 4: Simplify right side
    7,520,642.42x = 42,374,101,326,046.38
  5. Step 5: Solve for x
    x = 42,374,101,326,046.38/7,520,642.42
  6. Step 6: Final answer
    x = 5,634,372.57

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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.