Home / 19,933,205.10-29,898,252.45-7,800,312.30

Finding the Fourth Proportional to 19,933,205.10, 29,898,252.45 and 7,800,312.30

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Solution

The fourth proportional to 19,933,205.10, 29,898,252.45 and 7,800,312.30 is: 11,699,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,205.10 : 29,898,252.45 = 7,800,312.30 : x
  2. Step 2: Convert to fraction form
    19,933,205.10/29,898,252.45 = 7,800,312.30/x
  3. Step 3: Cross multiply
    19,933,205.10x = 29,898,252.45 × 7,800,312.30
  4. Step 4: Simplify right side
    19,933,205.10x = 233,215,706,334,240.12
  5. Step 5: Solve for x
    x = 233,215,706,334,240.12/19,933,205.10
  6. Step 6: Final answer
    x = 11,699,859.87

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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.