Home / 12,219,586.20-16,861,154.40-7,061,951.70

Finding the Fourth Proportional to 12,219,586.20, 16,861,154.40 and 7,061,951.70

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Solution

The fourth proportional to 12,219,586.20, 16,861,154.40 and 7,061,951.70 is: 9,744,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,586.20 : 16,861,154.40 = 7,061,951.70 : x
  2. Step 2: Convert to fraction form
    12,219,586.20/16,861,154.40 = 7,061,951.70/x
  3. Step 3: Cross multiply
    12,219,586.20x = 16,861,154.40 × 7,061,951.70
  4. Step 4: Simplify right side
    12,219,586.20x = 119,072,657,979,042.47
  5. Step 5: Solve for x
    x = 119,072,657,979,042.47/12,219,586.20
  6. Step 6: Final answer
    x = 9,744,410.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.