Home / 13,872,495.30-20,808,742.95-13,305,624.90

Finding the Fourth Proportional to 13,872,495.30, 20,808,742.95 and 13,305,624.90

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Solution

The fourth proportional to 13,872,495.30, 20,808,742.95 and 13,305,624.90 is: 19,958,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,495.30 : 20,808,742.95 = 13,305,624.90 : x
  2. Step 2: Convert to fraction form
    13,872,495.30/20,808,742.95 = 13,305,624.90/x
  3. Step 3: Cross multiply
    13,872,495.30x = 20,808,742.95 × 13,305,624.90
  4. Step 4: Simplify right side
    13,872,495.30x = 276,873,328,333,219.44
  5. Step 5: Solve for x
    x = 276,873,328,333,219.44/13,872,495.30
  6. Step 6: Final answer
    x = 19,958,437.35

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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.