Home / 13,273,751.88-18,318,132-7,472,753.64

Finding the Fourth Proportional to 13,273,751.88, 18,318,132 and 7,472,753.64

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Solution

The fourth proportional to 13,273,751.88, 18,318,132 and 7,472,753.64 is: 10,312,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,751.88 : 18,318,132 = 7,472,753.64 : x
  2. Step 2: Convert to fraction form
    13,273,751.88/18,318,132 = 7,472,753.64/x
  3. Step 3: Cross multiply
    13,273,751.88x = 18,318,132 × 7,472,753.64
  4. Step 4: Simplify right side
    13,273,751.88x = 136,886,887,581,000.47
  5. Step 5: Solve for x
    x = 136,886,887,581,000.47/13,273,751.88
  6. Step 6: Final answer
    x = 10,312,599.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.