Home / 13,065,447.96-18,029,846.94-7,185,032.64

Finding the Fourth Proportional to 13,065,447.96, 18,029,846.94 and 7,185,032.64

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Solution

The fourth proportional to 13,065,447.96, 18,029,846.94 and 7,185,032.64 is: 9,915,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,447.96 : 18,029,846.94 = 7,185,032.64 : x
  2. Step 2: Convert to fraction form
    13,065,447.96/18,029,846.94 = 7,185,032.64/x
  3. Step 3: Cross multiply
    13,065,447.96x = 18,029,846.94 × 7,185,032.64
  4. Step 4: Simplify right side
    13,065,447.96x = 129,545,038,758,104.12
  5. Step 5: Solve for x
    x = 129,545,038,758,104.12/13,065,447.96
  6. Step 6: Final answer
    x = 9,915,085.89

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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.