Home / 9,052,892.64-12,492,742.68-4,978,511.76

Finding the Fourth Proportional to 9,052,892.64, 12,492,742.68 and 4,978,511.76

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Solution

The fourth proportional to 9,052,892.64, 12,492,742.68 and 4,978,511.76 is: 6,870,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052,892.64 : 12,492,742.68 = 4,978,511.76 : x
  2. Step 2: Convert to fraction form
    9,052,892.64/12,492,742.68 = 4,978,511.76/x
  3. Step 3: Cross multiply
    9,052,892.64x = 12,492,742.68 × 4,978,511.76
  4. Step 4: Simplify right side
    9,052,892.64x = 62,195,266,347,033.91
  5. Step 5: Solve for x
    x = 62,195,266,347,033.91/9,052,892.64
  6. Step 6: Final answer
    x = 6,870,209.20

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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.