Home / 6,670,230-10,018,734.30-3,979,805.28

Finding the Fourth Proportional to 6,670,230, 10,018,734.30 and 3,979,805.28

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Solution

The fourth proportional to 6,670,230, 10,018,734.30 and 3,979,805.28 is: 5,977,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,230 : 10,018,734.30 = 3,979,805.28 : x
  2. Step 2: Convert to fraction form
    6,670,230/10,018,734.30 = 3,979,805.28/x
  3. Step 3: Cross multiply
    6,670,230x = 10,018,734.30 × 3,979,805.28
  4. Step 4: Simplify right side
    6,670,230x = 39,872,611,666,057.10
  5. Step 5: Solve for x
    x = 39,872,611,666,057.10/6,670,230
  6. Step 6: Final answer
    x = 5,977,696.67

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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.