Home / 13,306,898.16-18,362,758.32-7,505,334.72

Finding the Fourth Proportional to 13,306,898.16, 18,362,758.32 and 7,505,334.72

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Solution

The fourth proportional to 13,306,898.16, 18,362,758.32 and 7,505,334.72 is: 10,356,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,898.16 : 18,362,758.32 = 7,505,334.72 : x
  2. Step 2: Convert to fraction form
    13,306,898.16/18,362,758.32 = 7,505,334.72/x
  3. Step 3: Cross multiply
    13,306,898.16x = 18,362,758.32 × 7,505,334.72
  4. Step 4: Simplify right side
    13,306,898.16x = 137,818,647,574,064.88
  5. Step 5: Solve for x
    x = 137,818,647,574,064.88/13,306,898.16
  6. Step 6: Final answer
    x = 10,356,932.62

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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.