Home / 11,880,018.70-17,820,028.05-4,306,000.30

Finding the Fourth Proportional to 11,880,018.70, 17,820,028.05 and 4,306,000.30

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Solution

The fourth proportional to 11,880,018.70, 17,820,028.05 and 4,306,000.30 is: 6,459,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,018.70 : 17,820,028.05 = 4,306,000.30 : x
  2. Step 2: Convert to fraction form
    11,880,018.70/17,820,028.05 = 4,306,000.30/x
  3. Step 3: Cross multiply
    11,880,018.70x = 17,820,028.05 × 4,306,000.30
  4. Step 4: Simplify right side
    11,880,018.70x = 76,733,046,129,308.42
  5. Step 5: Solve for x
    x = 76,733,046,129,308.42/11,880,018.70
  6. Step 6: Final answer
    x = 6,459,000.45

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Similar ratio
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1.5x scale

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.