Home / 9,491,298.08-13,097,980.12-5,140,381.84

Finding the Fourth Proportional to 9,491,298.08, 13,097,980.12 and 5,140,381.84

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Solution

The fourth proportional to 9,491,298.08, 13,097,980.12 and 5,140,381.84 is: 7,093,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491,298.08 : 13,097,980.12 = 5,140,381.84 : x
  2. Step 2: Convert to fraction form
    9,491,298.08/13,097,980.12 = 5,140,381.84/x
  3. Step 3: Cross multiply
    9,491,298.08x = 13,097,980.12 × 5,140,381.84
  4. Step 4: Simplify right side
    9,491,298.08x = 67,328,619,149,529.02
  5. Step 5: Solve for x
    x = 67,328,619,149,529.02/9,491,298.08
  6. Step 6: Final answer
    x = 7,093,720.86

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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.