Home / 12,935,896.80-19,391,403.60-10,055,666.40

Finding the Fourth Proportional to 12,935,896.80, 19,391,403.60 and 10,055,666.40

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Solution

The fourth proportional to 12,935,896.80, 19,391,403.60 and 10,055,666.40 is: 15,073,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,896.80 : 19,391,403.60 = 10,055,666.40 : x
  2. Step 2: Convert to fraction form
    12,935,896.80/19,391,403.60 = 10,055,666.40/x
  3. Step 3: Cross multiply
    12,935,896.80x = 19,391,403.60 × 10,055,666.40
  4. Step 4: Simplify right side
    12,935,896.80x = 194,993,485,629,359.06
  5. Step 5: Solve for x
    x = 194,993,485,629,359.06/12,935,896.80
  6. Step 6: Final answer
    x = 15,073,828.17

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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.