Home / 19,143,715.70-28,676,866.35-11,933,117.30

Finding the Fourth Proportional to 19,143,715.70, 28,676,866.35 and 11,933,117.30

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Solution

The fourth proportional to 19,143,715.70, 28,676,866.35 and 11,933,117.30 is: 17,875,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143,715.70 : 28,676,866.35 = 11,933,117.30 : x
  2. Step 2: Convert to fraction form
    19,143,715.70/28,676,866.35 = 11,933,117.30/x
  3. Step 3: Cross multiply
    19,143,715.70x = 28,676,866.35 × 11,933,117.30
  4. Step 4: Simplify right side
    19,143,715.70x = 342,204,409,950,972.88
  5. Step 5: Solve for x
    x = 342,204,409,950,972.88/19,143,715.70
  6. Step 6: Final answer
    x = 17,875,548.06

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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.