Home / 19,355,103.80-29,043,714.90-7,396,422.20

Finding the Fourth Proportional to 19,355,103.80, 29,043,714.90 and 7,396,422.20

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Solution

The fourth proportional to 19,355,103.80, 29,043,714.90 and 7,396,422.20 is: 11,098,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355,103.80 : 29,043,714.90 = 7,396,422.20 : x
  2. Step 2: Convert to fraction form
    19,355,103.80/29,043,714.90 = 7,396,422.20/x
  3. Step 3: Cross multiply
    19,355,103.80x = 29,043,714.90 × 7,396,422.20
  4. Step 4: Simplify right side
    19,355,103.80x = 214,819,577,656,830.78
  5. Step 5: Solve for x
    x = 214,819,577,656,830.78/19,355,103.80
  6. Step 6: Final answer
    x = 11,098,859.50

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1.5x scale

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.