Home / 13,064,073.88-18,028,813.30-7,183,403.32

Finding the Fourth Proportional to 13,064,073.88, 18,028,813.30 and 7,183,403.32

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Solution

The fourth proportional to 13,064,073.88, 18,028,813.30 and 7,183,403.32 is: 9,913,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,073.88 : 18,028,813.30 = 7,183,403.32 : x
  2. Step 2: Convert to fraction form
    13,064,073.88/18,028,813.30 = 7,183,403.32/x
  3. Step 3: Cross multiply
    13,064,073.88x = 18,028,813.30 × 7,183,403.32
  4. Step 4: Simplify right side
    13,064,073.88x = 129,508,237,314,880.17
  5. Step 5: Solve for x
    x = 129,508,237,314,880.17/13,064,073.88
  6. Step 6: Final answer
    x = 9,913,311.77

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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.