Home / 38,470,871.63-57,709,854.89-12,563,308.73

Finding the Fourth Proportional to 38,470,871.63, 57,709,854.89 and 12,563,308.73

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Solution

The fourth proportional to 38,470,871.63, 57,709,854.89 and 12,563,308.73 is: 18,846,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470,871.63 : 57,709,854.89 = 12,563,308.73 : x
  2. Step 2: Convert to fraction form
    38,470,871.63/57,709,854.89 = 12,563,308.73/x
  3. Step 3: Cross multiply
    38,470,871.63x = 57,709,854.89 × 12,563,308.73
  4. Step 4: Simplify right side
    38,470,871.63x = 725,026,723,683,753.62
  5. Step 5: Solve for x
    x = 725,026,723,683,753.62/38,470,871.63
  6. Step 6: Final answer
    x = 18,846,121.57

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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.