Home / 12,238,188.38-16,889,018.50-6,731,705.10

Finding the Fourth Proportional to 12,238,188.38, 16,889,018.50 and 6,731,705.10

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Solution

The fourth proportional to 12,238,188.38, 16,889,018.50 and 6,731,705.10 is: 9,289,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,188.38 : 16,889,018.50 = 6,731,705.10 : x
  2. Step 2: Convert to fraction form
    12,238,188.38/16,889,018.50 = 6,731,705.10/x
  3. Step 3: Cross multiply
    12,238,188.38x = 16,889,018.50 × 6,731,705.10
  4. Step 4: Simplify right side
    12,238,188.38x = 113,691,891,970,444.34
  5. Step 5: Solve for x
    x = 113,691,891,970,444.34/12,238,188.38
  6. Step 6: Final answer
    x = 9,289,928.25

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1.5x scale

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.