Home / 19,283,707-28,933,671.30-12,003,253.12

Finding the Fourth Proportional to 19,283,707, 28,933,671.30 and 12,003,253.12

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Solution

The fourth proportional to 19,283,707, 28,933,671.30 and 12,003,253.12 is: 18,009,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283,707 : 28,933,671.30 = 12,003,253.12 : x
  2. Step 2: Convert to fraction form
    19,283,707/28,933,671.30 = 12,003,253.12/x
  3. Step 3: Cross multiply
    19,283,707x = 28,933,671.30 × 12,003,253.12
  4. Step 4: Simplify right side
    19,283,707x = 347,298,180,304,779.44
  5. Step 5: Solve for x
    x = 347,298,180,304,779.44/19,283,707
  6. Step 6: Final answer
    x = 18,009,928.29

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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.