Home / 14,345,146.34-19,796,127.76-7,818,755.62

Finding the Fourth Proportional to 14,345,146.34, 19,796,127.76 and 7,818,755.62

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Solution

The fourth proportional to 14,345,146.34, 19,796,127.76 and 7,818,755.62 is: 10,789,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345,146.34 : 19,796,127.76 = 7,818,755.62 : x
  2. Step 2: Convert to fraction form
    14,345,146.34/19,796,127.76 = 7,818,755.62/x
  3. Step 3: Cross multiply
    14,345,146.34x = 19,796,127.76 × 7,818,755.62
  4. Step 4: Simplify right side
    14,345,146.34x = 154,781,085,177,738.03
  5. Step 5: Solve for x
    x = 154,781,085,177,738.03/14,345,146.34
  6. Step 6: Final answer
    x = 10,789,787.81

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1.5x scale

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.