Home / 8,281,095.21-12,421,809.05-2,215,817.35

Finding the Fourth Proportional to 8,281,095.21, 12,421,809.05 and 2,215,817.35

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Solution

The fourth proportional to 8,281,095.21, 12,421,809.05 and 2,215,817.35 is: 3,323,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,095.21 : 12,421,809.05 = 2,215,817.35 : x
  2. Step 2: Convert to fraction form
    8,281,095.21/12,421,809.05 = 2,215,817.35/x
  3. Step 3: Cross multiply
    8,281,095.21x = 12,421,809.05 × 2,215,817.35
  4. Step 4: Simplify right side
    8,281,095.21x = 27,524,459,969,243.41
  5. Step 5: Solve for x
    x = 27,524,459,969,243.41/8,281,095.21
  6. Step 6: Final answer
    x = 3,323,770.50

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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.