Home / 13,468,506.80-18,581,929.08-7,665,836.72

Finding the Fourth Proportional to 13,468,506.80, 18,581,929.08 and 7,665,836.72

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Solution

The fourth proportional to 13,468,506.80, 18,581,929.08 and 7,665,836.72 is: 10,576,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,506.80 : 18,581,929.08 = 7,665,836.72 : x
  2. Step 2: Convert to fraction form
    13,468,506.80/18,581,929.08 = 7,665,836.72/x
  3. Step 3: Cross multiply
    13,468,506.80x = 18,581,929.08 × 7,665,836.72
  4. Step 4: Simplify right side
    13,468,506.80x = 142,446,034,269,899.81
  5. Step 5: Solve for x
    x = 142,446,034,269,899.81/13,468,506.80
  6. Step 6: Final answer
    x = 10,576,230.64

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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.