Home / 8,213,457.14-12,319,244.45-2,148,774.11

Finding the Fourth Proportional to 8,213,457.14, 12,319,244.45 and 2,148,774.11

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Solution

The fourth proportional to 8,213,457.14, 12,319,244.45 and 2,148,774.11 is: 3,222,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,457.14 : 12,319,244.45 = 2,148,774.11 : x
  2. Step 2: Convert to fraction form
    8,213,457.14/12,319,244.45 = 2,148,774.11/x
  3. Step 3: Cross multiply
    8,213,457.14x = 12,319,244.45 × 2,148,774.11
  4. Step 4: Simplify right side
    8,213,457.14x = 26,471,273,528,921.19
  5. Step 5: Solve for x
    x = 26,471,273,528,921.19/8,213,457.14
  6. Step 6: Final answer
    x = 3,222,914.92

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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.