Home / 9,318,257.55-13,979,704.59-7,406,382.15

Finding the Fourth Proportional to 9,318,257.55, 13,979,704.59 and 7,406,382.15

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Solution

The fourth proportional to 9,318,257.55, 13,979,704.59 and 7,406,382.15 is: 11,111,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,257.55 : 13,979,704.59 = 7,406,382.15 : x
  2. Step 2: Convert to fraction form
    9,318,257.55/13,979,704.59 = 7,406,382.15/x
  3. Step 3: Cross multiply
    9,318,257.55x = 13,979,704.59 × 7,406,382.15
  4. Step 4: Simplify right side
    9,318,257.55x = 103,539,034,537,649.08
  5. Step 5: Solve for x
    x = 103,539,034,537,649.08/9,318,257.55
  6. Step 6: Final answer
    x = 11,111,415.84

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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.