Home / 11,867,298.81-17,777,915.26-8,745,680.87

Finding the Fourth Proportional to 11,867,298.81, 17,777,915.26 and 8,745,680.87

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Solution

The fourth proportional to 11,867,298.81, 17,777,915.26 and 8,745,680.87 is: 13,101,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867,298.81 : 17,777,915.26 = 8,745,680.87 : x
  2. Step 2: Convert to fraction form
    11,867,298.81/17,777,915.26 = 8,745,680.87/x
  3. Step 3: Cross multiply
    11,867,298.81x = 17,777,915.26 × 8,745,680.87
  4. Step 4: Simplify right side
    11,867,298.81x = 155,479,973,378,378.09
  5. Step 5: Solve for x
    x = 155,479,973,378,378.09/11,867,298.81
  6. Step 6: Final answer
    x = 13,101,547.02

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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.