Home / 8,317,123.40-12,479,832.30-4,725,648.20

Finding the Fourth Proportional to 8,317,123.40, 12,479,832.30 and 4,725,648.20

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Solution

The fourth proportional to 8,317,123.40, 12,479,832.30 and 4,725,648.20 is: 7,090,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,123.40 : 12,479,832.30 = 4,725,648.20 : x
  2. Step 2: Convert to fraction form
    8,317,123.40/12,479,832.30 = 4,725,648.20/x
  3. Step 3: Cross multiply
    8,317,123.40x = 12,479,832.30 × 4,725,648.20
  4. Step 4: Simplify right side
    8,317,123.40x = 58,975,297,044,796.87
  5. Step 5: Solve for x
    x = 58,975,297,044,796.87/8,317,123.40
  6. Step 6: Final answer
    x = 7,090,828.67

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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.