Home / 13,338,490.03-18,400,015.89-8,113,096.40

Finding the Fourth Proportional to 13,338,490.03, 18,400,015.89 and 8,113,096.40

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Solution

The fourth proportional to 13,338,490.03, 18,400,015.89 and 8,113,096.40 is: 11,191,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,490.03 : 18,400,015.89 = 8,113,096.40 : x
  2. Step 2: Convert to fraction form
    13,338,490.03/18,400,015.89 = 8,113,096.40/x
  3. Step 3: Cross multiply
    13,338,490.03x = 18,400,015.89 × 8,113,096.40
  4. Step 4: Simplify right side
    13,338,490.03x = 149,281,102,585,101.72
  5. Step 5: Solve for x
    x = 149,281,102,585,101.72/13,338,490.03
  6. Step 6: Final answer
    x = 11,191,754.26

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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.