Home / 11,008,570.10-16,459,711.05-8,138,788.70

Finding the Fourth Proportional to 11,008,570.10, 16,459,711.05 and 8,138,788.70

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Solution

The fourth proportional to 11,008,570.10, 16,459,711.05 and 8,138,788.70 is: 12,168,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,570.10 : 16,459,711.05 = 8,138,788.70 : x
  2. Step 2: Convert to fraction form
    11,008,570.10/16,459,711.05 = 8,138,788.70/x
  3. Step 3: Cross multiply
    11,008,570.10x = 16,459,711.05 × 8,138,788.70
  4. Step 4: Simplify right side
    11,008,570.10x = 133,962,110,299,005.14
  5. Step 5: Solve for x
    x = 133,962,110,299,005.14/11,008,570.10
  6. Step 6: Final answer
    x = 12,168,892.88

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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.