Home / 13,291,310.40-19,936,965.60-6,572,846.40

Finding the Fourth Proportional to 13,291,310.40, 19,936,965.60 and 6,572,846.40

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Solution

The fourth proportional to 13,291,310.40, 19,936,965.60 and 6,572,846.40 is: 9,859,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,310.40 : 19,936,965.60 = 6,572,846.40 : x
  2. Step 2: Convert to fraction form
    13,291,310.40/19,936,965.60 = 6,572,846.40/x
  3. Step 3: Cross multiply
    13,291,310.40x = 19,936,965.60 × 6,572,846.40
  4. Step 4: Simplify right side
    13,291,310.40x = 131,042,612,570,883.86
  5. Step 5: Solve for x
    x = 131,042,612,570,883.86/13,291,310.40
  6. Step 6: Final answer
    x = 9,859,269.60

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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.