Home / 8,431,928.98-11,646,437.22-6,105,137.76

Finding the Fourth Proportional to 8,431,928.98, 11,646,437.22 and 6,105,137.76

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Solution

The fourth proportional to 8,431,928.98, 11,646,437.22 and 6,105,137.76 is: 8,432,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,928.98 : 11,646,437.22 = 6,105,137.76 : x
  2. Step 2: Convert to fraction form
    8,431,928.98/11,646,437.22 = 6,105,137.76/x
  3. Step 3: Cross multiply
    8,431,928.98x = 11,646,437.22 × 6,105,137.76
  4. Step 4: Simplify right side
    8,431,928.98x = 71,103,103,641,291.42
  5. Step 5: Solve for x
    x = 71,103,103,641,291.42/8,431,928.98
  6. Step 6: Final answer
    x = 8,432,602.29

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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.