Home / 13,208,525.89-18,228,627.86-7,627,007.86

Finding the Fourth Proportional to 13,208,525.89, 18,228,627.86 and 7,627,007.86

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Solution

The fourth proportional to 13,208,525.89, 18,228,627.86 and 7,627,007.86 is: 10,525,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,525.89 : 18,228,627.86 = 7,627,007.86 : x
  2. Step 2: Convert to fraction form
    13,208,525.89/18,228,627.86 = 7,627,007.86/x
  3. Step 3: Cross multiply
    13,208,525.89x = 18,228,627.86 × 7,627,007.86
  4. Step 4: Simplify right side
    13,208,525.89x = 139,029,887,881,528.38
  5. Step 5: Solve for x
    x = 139,029,887,881,528.38/13,208,525.89
  6. Step 6: Final answer
    x = 10,525,768.66

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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.