Home / 13,166,878.98-18,169,562.08-7,364,539.70

Finding the Fourth Proportional to 13,166,878.98, 18,169,562.08 and 7,364,539.70

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Solution

The fourth proportional to 13,166,878.98, 18,169,562.08 and 7,364,539.70 is: 10,162,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,878.98 : 18,169,562.08 = 7,364,539.70 : x
  2. Step 2: Convert to fraction form
    13,166,878.98/18,169,562.08 = 7,364,539.70/x
  3. Step 3: Cross multiply
    13,166,878.98x = 18,169,562.08 × 7,364,539.70
  4. Step 4: Simplify right side
    13,166,878.98x = 133,810,461,269,774.56
  5. Step 5: Solve for x
    x = 133,810,461,269,774.56/13,166,878.98
  6. Step 6: Final answer
    x = 10,162,655.97

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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.