Home / 13,522,515.84-18,655,207.20-8,945,225.28

Finding the Fourth Proportional to 13,522,515.84, 18,655,207.20 and 8,945,225.28

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Solution

The fourth proportional to 13,522,515.84, 18,655,207.20 and 8,945,225.28 is: 12,340,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522,515.84 : 18,655,207.20 = 8,945,225.28 : x
  2. Step 2: Convert to fraction form
    13,522,515.84/18,655,207.20 = 8,945,225.28/x
  3. Step 3: Cross multiply
    13,522,515.84x = 18,655,207.20 × 8,945,225.28
  4. Step 4: Simplify right side
    13,522,515.84x = 166,875,031,049,078
  5. Step 5: Solve for x
    x = 166,875,031,049,078/13,522,515.84
  6. Step 6: Final answer
    x = 12,340,531.38

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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.