Home / 12,847,861.92-19,264,094.40-4,090,355.76

Finding the Fourth Proportional to 12,847,861.92, 19,264,094.40 and 4,090,355.76

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Solution

The fourth proportional to 12,847,861.92, 19,264,094.40 and 4,090,355.76 is: 6,133,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847,861.92 : 19,264,094.40 = 4,090,355.76 : x
  2. Step 2: Convert to fraction form
    12,847,861.92/19,264,094.40 = 4,090,355.76/x
  3. Step 3: Cross multiply
    12,847,861.92x = 19,264,094.40 × 4,090,355.76
  4. Step 4: Simplify right side
    12,847,861.92x = 78,796,999,490,223.73
  5. Step 5: Solve for x
    x = 78,796,999,490,223.73/12,847,861.92
  6. Step 6: Final answer
    x = 6,133,082.69

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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.