Home / 8,126,687.95-12,173,790.11-4,886,451.43

Finding the Fourth Proportional to 8,126,687.95, 12,173,790.11 and 4,886,451.43

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Solution

The fourth proportional to 8,126,687.95, 12,173,790.11 and 4,886,451.43 is: 7,319,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,687.95 : 12,173,790.11 = 4,886,451.43 : x
  2. Step 2: Convert to fraction form
    8,126,687.95/12,173,790.11 = 4,886,451.43/x
  3. Step 3: Cross multiply
    8,126,687.95x = 12,173,790.11 × 4,886,451.43
  4. Step 4: Simplify right side
    8,126,687.95x = 59,486,634,036,662.63
  5. Step 5: Solve for x
    x = 59,486,634,036,662.63/8,126,687.95
  6. Step 6: Final answer
    x = 7,319,911.19

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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.