Home / 13,698,895.76-18,904,615.08-8,265,338

Finding the Fourth Proportional to 13,698,895.76, 18,904,615.08 and 8,265,338

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Solution

The fourth proportional to 13,698,895.76, 18,904,615.08 and 8,265,338 is: 11,406,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,895.76 : 18,904,615.08 = 8,265,338 : x
  2. Step 2: Convert to fraction form
    13,698,895.76/18,904,615.08 = 8,265,338/x
  3. Step 3: Cross multiply
    13,698,895.76x = 18,904,615.08 × 8,265,338
  4. Step 4: Simplify right side
    13,698,895.76x = 156,253,033,396,097.03
  5. Step 5: Solve for x
    x = 156,253,033,396,097.03/13,698,895.76
  6. Step 6: Final answer
    x = 11,406,250.27

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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.