Home / 11,520,499.20-15,897,980.88-6,363,749.76

Finding the Fourth Proportional to 11,520,499.20, 15,897,980.88 and 6,363,749.76

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Solution

The fourth proportional to 11,520,499.20, 15,897,980.88 and 6,363,749.76 is: 8,781,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,499.20 : 15,897,980.88 = 6,363,749.76 : x
  2. Step 2: Convert to fraction form
    11,520,499.20/15,897,980.88 = 6,363,749.76/x
  3. Step 3: Cross multiply
    11,520,499.20x = 15,897,980.88 × 6,363,749.76
  4. Step 4: Simplify right side
    11,520,499.20x = 101,170,772,009,584.59
  5. Step 5: Solve for x
    x = 101,170,772,009,584.59/11,520,499.20
  6. Step 6: Final answer
    x = 8,781,804.53

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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.