Home / 13,698,890.76-18,904,608.18-8,265,333

Finding the Fourth Proportional to 13,698,890.76, 18,904,608.18 and 8,265,333

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Solution

The fourth proportional to 13,698,890.76, 18,904,608.18 and 8,265,333 is: 11,406,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,890.76 : 18,904,608.18 = 8,265,333 : x
  2. Step 2: Convert to fraction form
    13,698,890.76/18,904,608.18 = 8,265,333/x
  3. Step 3: Cross multiply
    13,698,890.76x = 18,904,608.18 × 8,265,333
  4. Step 4: Simplify right side
    13,698,890.76x = 156,252,881,842,223.94
  5. Step 5: Solve for x
    x = 156,252,881,842,223.94/13,698,890.76
  6. Step 6: Final answer
    x = 11,406,243.37

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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.