Home / 14,192,761.50-19,586,018.79-7,666,391.01

Finding the Fourth Proportional to 14,192,761.50, 19,586,018.79 and 7,666,391.01

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Solution

The fourth proportional to 14,192,761.50, 19,586,018.79 and 7,666,391.01 is: 10,579,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192,761.50 : 19,586,018.79 = 7,666,391.01 : x
  2. Step 2: Convert to fraction form
    14,192,761.50/19,586,018.79 = 7,666,391.01/x
  3. Step 3: Cross multiply
    14,192,761.50x = 19,586,018.79 × 7,666,391.01
  4. Step 4: Simplify right side
    14,192,761.50x = 150,154,078,373,347.06
  5. Step 5: Solve for x
    x = 150,154,078,373,347.06/14,192,761.50
  6. Step 6: Final answer
    x = 10,579,623.87

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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.