Home / 19,812,519.40-29,720,813.10-6,858,650.56

Finding the Fourth Proportional to 19,812,519.40, 29,720,813.10 and 6,858,650.56

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Solution

The fourth proportional to 19,812,519.40, 29,720,813.10 and 6,858,650.56 is: 10,288,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812,519.40 : 29,720,813.10 = 6,858,650.56 : x
  2. Step 2: Convert to fraction form
    19,812,519.40/29,720,813.10 = 6,858,650.56/x
  3. Step 3: Cross multiply
    19,812,519.40x = 29,720,813.10 × 6,858,650.56
  4. Step 4: Simplify right side
    19,812,519.40x = 203,844,671,411,970.34
  5. Step 5: Solve for x
    x = 203,844,671,411,970.34/19,812,519.40
  6. Step 6: Final answer
    x = 10,288,679.97

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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.