Home / 13,071,422.56-18,037,299.44-7,563,698.78

Finding the Fourth Proportional to 13,071,422.56, 18,037,299.44 and 7,563,698.78

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Solution

The fourth proportional to 13,071,422.56, 18,037,299.44 and 7,563,698.78 is: 10,437,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071,422.56 : 18,037,299.44 = 7,563,698.78 : x
  2. Step 2: Convert to fraction form
    13,071,422.56/18,037,299.44 = 7,563,698.78/x
  3. Step 3: Cross multiply
    13,071,422.56x = 18,037,299.44 × 7,563,698.78
  4. Step 4: Simplify right side
    13,071,422.56x = 136,428,699,768,822.70
  5. Step 5: Solve for x
    x = 136,428,699,768,822.70/13,071,422.56
  6. Step 6: Final answer
    x = 10,437,173.09

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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.