Home / 18,426,394.56-25,428,352.80-10,166,970.72

Finding the Fourth Proportional to 18,426,394.56, 25,428,352.80 and 10,166,970.72

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Solution

The fourth proportional to 18,426,394.56, 25,428,352.80 and 10,166,970.72 is: 14,030,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,394.56 : 25,428,352.80 = 10,166,970.72 : x
  2. Step 2: Convert to fraction form
    18,426,394.56/25,428,352.80 = 10,166,970.72/x
  3. Step 3: Cross multiply
    18,426,394.56x = 25,428,352.80 × 10,166,970.72
  4. Step 4: Simplify right side
    18,426,394.56x = 258,529,318,375,430.03
  5. Step 5: Solve for x
    x = 258,529,318,375,430.03/18,426,394.56
  6. Step 6: Final answer
    x = 14,030,380.04

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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.