Home / 20,064,043.61-27,689,061.74-19,144,676.64

Finding the Fourth Proportional to 20,064,043.61, 27,689,061.74 and 19,144,676.64

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Solution

The fourth proportional to 20,064,043.61, 27,689,061.74 and 19,144,676.64 is: 26,420,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,043.61 : 27,689,061.74 = 19,144,676.64 : x
  2. Step 2: Convert to fraction form
    20,064,043.61/27,689,061.74 = 19,144,676.64/x
  3. Step 3: Cross multiply
    20,064,043.61x = 27,689,061.74 × 19,144,676.64
  4. Step 4: Simplify right side
    20,064,043.61x = 530,098,133,485,406.38
  5. Step 5: Solve for x
    x = 530,098,133,485,406.38/20,064,043.61
  6. Step 6: Final answer
    x = 26,420,304.09

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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.