Home / 12,384,246.60-18,576,369.90-9,155,742.53

Finding the Fourth Proportional to 12,384,246.60, 18,576,369.90 and 9,155,742.53

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Solution

The fourth proportional to 12,384,246.60, 18,576,369.90 and 9,155,742.53 is: 13,733,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,246.60 : 18,576,369.90 = 9,155,742.53 : x
  2. Step 2: Convert to fraction form
    12,384,246.60/18,576,369.90 = 9,155,742.53/x
  3. Step 3: Cross multiply
    12,384,246.60x = 18,576,369.90 × 9,155,742.53
  4. Step 4: Simplify right side
    12,384,246.60x = 170,080,459,853,560
  5. Step 5: Solve for x
    x = 170,080,459,853,560/12,384,246.60
  6. Step 6: Final answer
    x = 13,733,613.79

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Similar ratio
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1.5x scale

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.