Home / 19,666,107.05-27,139,341.44-10,964,821.37

Finding the Fourth Proportional to 19,666,107.05, 27,139,341.44 and 10,964,821.37

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Solution

The fourth proportional to 19,666,107.05, 27,139,341.44 and 10,964,821.37 is: 15,131,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,107.05 : 27,139,341.44 = 10,964,821.37 : x
  2. Step 2: Convert to fraction form
    19,666,107.05/27,139,341.44 = 10,964,821.37/x
  3. Step 3: Cross multiply
    19,666,107.05x = 27,139,341.44 × 10,964,821.37
  4. Step 4: Simplify right side
    19,666,107.05x = 297,578,030,880,753.94
  5. Step 5: Solve for x
    x = 297,578,030,880,753.94/19,666,107.05
  6. Step 6: Final answer
    x = 15,131,516.89

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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.