Home / 13,866,886.80-20,798,755.56-5,346,509.76

Finding the Fourth Proportional to 13,866,886.80, 20,798,755.56 and 5,346,509.76

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Solution

The fourth proportional to 13,866,886.80, 20,798,755.56 and 5,346,509.76 is: 8,019,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866,886.80 : 20,798,755.56 = 5,346,509.76 : x
  2. Step 2: Convert to fraction form
    13,866,886.80/20,798,755.56 = 5,346,509.76/x
  3. Step 3: Cross multiply
    13,866,886.80x = 20,798,755.56 × 5,346,509.76
  4. Step 4: Simplify right side
    13,866,886.80x = 111,200,749,597,394.25
  5. Step 5: Solve for x
    x = 111,200,749,597,394.25/13,866,886.80
  6. Step 6: Final answer
    x = 8,019,157.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.