Home / 8,281,419.21-12,424,664.12-4,240,767.96

Finding the Fourth Proportional to 8,281,419.21, 12,424,664.12 and 4,240,767.96

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Solution

The fourth proportional to 8,281,419.21, 12,424,664.12 and 4,240,767.96 is: 6,362,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,419.21 : 12,424,664.12 = 4,240,767.96 : x
  2. Step 2: Convert to fraction form
    8,281,419.21/12,424,664.12 = 4,240,767.96/x
  3. Step 3: Cross multiply
    8,281,419.21x = 12,424,664.12 × 4,240,767.96
  4. Step 4: Simplify right side
    8,281,419.21x = 52,690,117,492,653.76
  5. Step 5: Solve for x
    x = 52,690,117,492,653.76/8,281,419.21
  6. Step 6: Final answer
    x = 6,362,450.22

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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.