Home / 19,260,078.80-28,890,118.20-6,476,334.80

Finding the Fourth Proportional to 19,260,078.80, 28,890,118.20 and 6,476,334.80

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Solution

The fourth proportional to 19,260,078.80, 28,890,118.20 and 6,476,334.80 is: 9,714,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260,078.80 : 28,890,118.20 = 6,476,334.80 : x
  2. Step 2: Convert to fraction form
    19,260,078.80/28,890,118.20 = 6,476,334.80/x
  3. Step 3: Cross multiply
    19,260,078.80x = 28,890,118.20 × 6,476,334.80
  4. Step 4: Simplify right side
    19,260,078.80x = 187,102,077,874,773.34
  5. Step 5: Solve for x
    x = 187,102,077,874,773.34/19,260,078.80
  6. Step 6: Final answer
    x = 9,714,502.20

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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.