Home / 8,281,098.34-12,421,813.73-2,215,820.47

Finding the Fourth Proportional to 8,281,098.34, 12,421,813.73 and 2,215,820.47

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Solution

The fourth proportional to 8,281,098.34, 12,421,813.73 and 2,215,820.47 is: 3,323,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,098.34 : 12,421,813.73 = 2,215,820.47 : x
  2. Step 2: Convert to fraction form
    8,281,098.34/12,421,813.73 = 2,215,820.47/x
  3. Step 3: Cross multiply
    8,281,098.34x = 12,421,813.73 × 2,215,820.47
  4. Step 4: Simplify right side
    8,281,098.34x = 27,524,509,137,461.05
  5. Step 5: Solve for x
    x = 27,524,509,137,461.05/8,281,098.34
  6. Step 6: Final answer
    x = 3,323,775.18

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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.