Home / 8,415,805.76-12,623,708.66-6,499,512.06

Finding the Fourth Proportional to 8,415,805.76, 12,623,708.66 and 6,499,512.06

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Solution

The fourth proportional to 8,415,805.76, 12,623,708.66 and 6,499,512.06 is: 9,749,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,805.76 : 12,623,708.66 = 6,499,512.06 : x
  2. Step 2: Convert to fraction form
    8,415,805.76/12,623,708.66 = 6,499,512.06/x
  3. Step 3: Cross multiply
    8,415,805.76x = 12,623,708.66 × 6,499,512.06
  4. Step 4: Simplify right side
    8,415,805.76x = 82,047,946,731,693.95
  5. Step 5: Solve for x
    x = 82,047,946,731,693.95/8,415,805.76
  6. Step 6: Final answer
    x = 9,749,268.11

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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.