Home / 19,201,226.80-28,801,840.20-12,744,218.65

Finding the Fourth Proportional to 19,201,226.80, 28,801,840.20 and 12,744,218.65

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Solution

The fourth proportional to 19,201,226.80, 28,801,840.20 and 12,744,218.65 is: 19,116,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,226.80 : 28,801,840.20 = 12,744,218.65 : x
  2. Step 2: Convert to fraction form
    19,201,226.80/28,801,840.20 = 12,744,218.65/x
  3. Step 3: Cross multiply
    19,201,226.80x = 28,801,840.20 × 12,744,218.65
  4. Step 4: Simplify right side
    19,201,226.80x = 367,056,949,031,159.75
  5. Step 5: Solve for x
    x = 367,056,949,031,159.75/19,201,226.80
  6. Step 6: Final answer
    x = 19,116,327.98

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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.