Home / 13,037,138.58-17,991,115.28-7,235,970.42

Finding the Fourth Proportional to 13,037,138.58, 17,991,115.28 and 7,235,970.42

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Solution

The fourth proportional to 13,037,138.58, 17,991,115.28 and 7,235,970.42 is: 9,985,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,138.58 : 17,991,115.28 = 7,235,970.42 : x
  2. Step 2: Convert to fraction form
    13,037,138.58/17,991,115.28 = 7,235,970.42/x
  3. Step 3: Cross multiply
    13,037,138.58x = 17,991,115.28 × 7,235,970.42
  4. Step 4: Simplify right side
    13,037,138.58x = 130,183,177,988,890.03
  5. Step 5: Solve for x
    x = 130,183,177,988,890.03/13,037,138.58
  6. Step 6: Final answer
    x = 9,985,563.72

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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.