Home / 12,942,666.90-19,414,000.35-12,774,705.30

Finding the Fourth Proportional to 12,942,666.90, 19,414,000.35 and 12,774,705.30

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Solution

The fourth proportional to 12,942,666.90, 19,414,000.35 and 12,774,705.30 is: 19,162,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,666.90 : 19,414,000.35 = 12,774,705.30 : x
  2. Step 2: Convert to fraction form
    12,942,666.90/19,414,000.35 = 12,774,705.30/x
  3. Step 3: Cross multiply
    12,942,666.90x = 19,414,000.35 × 12,774,705.30
  4. Step 4: Simplify right side
    12,942,666.90x = 248,008,133,165,346.88
  5. Step 5: Solve for x
    x = 248,008,133,165,346.88/12,942,666.90
  6. Step 6: Final answer
    x = 19,162,057.95

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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.